Home / 134,680.18-185,859.94-74,253.17

Finding the Fourth Proportional to 134,680.18, 185,859.94 and 74,253.17

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Solution

The fourth proportional to 134,680.18, 185,859.94 and 74,253.17 is: 102,470.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,680.18 : 185,859.94 = 74,253.17 : x
  2. Step 2: Convert to fraction form
    134,680.18/185,859.94 = 74,253.17/x
  3. Step 3: Cross multiply
    134,680.18x = 185,859.94 × 74,253.17
  4. Step 4: Simplify right side
    134,680.18x = 13,800,688,791.71
  5. Step 5: Solve for x
    x = 13,800,688,791.71/134,680.18
  6. Step 6: Final answer
    x = 102,470.08

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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.