Home / 119,859.28-165,314.27-74,539.17

Finding the Fourth Proportional to 119,859.28, 165,314.27 and 74,539.17

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Solution

The fourth proportional to 119,859.28, 165,314.27 and 74,539.17 is: 102,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,859.28 : 165,314.27 = 74,539.17 : x
  2. Step 2: Convert to fraction form
    119,859.28/165,314.27 = 74,539.17/x
  3. Step 3: Cross multiply
    119,859.28x = 165,314.27 × 74,539.17
  4. Step 4: Simplify right side
    119,859.28x = 12,322,388,661.30
  5. Step 5: Solve for x
    x = 12,322,388,661.30/119,859.28
  6. Step 6: Final answer
    x = 102,807.13

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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.