Home / 186,899,275.72-257,926,203.62-103,272,818.36

Finding the Fourth Proportional to 186,899,275.72, 257,926,203.62 and 103,272,818.36

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Solution

The fourth proportional to 186,899,275.72, 257,926,203.62 and 103,272,818.36 is: 142,519,364.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,899,275.72 : 257,926,203.62 = 103,272,818.36 : x
  2. Step 2: Convert to fraction form
    186,899,275.72/257,926,203.62 = 103,272,818.36/x
  3. Step 3: Cross multiply
    186,899,275.72x = 257,926,203.62 × 103,272,818.36
  4. Step 4: Simplify right side
    186,899,275.72x = 26,636,765,976,732,636
  5. Step 5: Solve for x
    x = 26,636,765,976,732,636/186,899,275.72
  6. Step 6: Final answer
    x = 142,519,364.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.