Home / 134,721.68-185,917.23-74,294.46

Finding the Fourth Proportional to 134,721.68, 185,917.23 and 74,294.46

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Solution

The fourth proportional to 134,721.68, 185,917.23 and 74,294.46 is: 102,527.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,721.68 : 185,917.23 = 74,294.46 : x
  2. Step 2: Convert to fraction form
    134,721.68/185,917.23 = 74,294.46/x
  3. Step 3: Cross multiply
    134,721.68x = 185,917.23 × 74,294.46
  4. Step 4: Simplify right side
    134,721.68x = 13,812,620,207.55
  5. Step 5: Solve for x
    x = 13,812,620,207.55/134,721.68
  6. Step 6: Final answer
    x = 102,527.08

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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.