Home / 186,827.59-257,828.30-101,949.31

Finding the Fourth Proportional to 186,827.59, 257,828.30 and 101,949.31

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Solution

The fourth proportional to 186,827.59, 257,828.30 and 101,949.31 is: 140,693.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,827.59 : 257,828.30 = 101,949.31 : x
  2. Step 2: Convert to fraction form
    186,827.59/257,828.30 = 101,949.31/x
  3. Step 3: Cross multiply
    186,827.59x = 257,828.30 × 101,949.31
  4. Step 4: Simplify right side
    186,827.59x = 26,285,417,283.47
  5. Step 5: Solve for x
    x = 26,285,417,283.47/186,827.59
  6. Step 6: Final answer
    x = 140,693.45

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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.