Home / 186,276.18-257,053.97-105,698.89

Finding the Fourth Proportional to 186,276.18, 257,053.97 and 105,698.89

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Solution

The fourth proportional to 186,276.18, 257,053.97 and 105,698.89 is: 145,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,276.18 : 257,053.97 = 105,698.89 : x
  2. Step 2: Convert to fraction form
    186,276.18/257,053.97 = 105,698.89/x
  3. Step 3: Cross multiply
    186,276.18x = 257,053.97 × 105,698.89
  4. Step 4: Simplify right side
    186,276.18x = 27,170,319,299.09
  5. Step 5: Solve for x
    x = 27,170,319,299.09/186,276.18
  6. Step 6: Final answer
    x = 145,860.41

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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.