Home / 134,521.43-185,640.77-74,094.17

Finding the Fourth Proportional to 134,521.43, 185,640.77 and 74,094.17

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Solution

The fourth proportional to 134,521.43, 185,640.77 and 74,094.17 is: 102,250.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,521.43 : 185,640.77 = 74,094.17 : x
  2. Step 2: Convert to fraction form
    134,521.43/185,640.77 = 74,094.17/x
  3. Step 3: Cross multiply
    134,521.43x = 185,640.77 × 74,094.17
  4. Step 4: Simplify right side
    134,521.43x = 13,754,898,400.84
  5. Step 5: Solve for x
    x = 13,754,898,400.84/134,521.43
  6. Step 6: Final answer
    x = 102,250.61

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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.