Home / 129,688.17-194,549.27-50,792.14

Finding the Fourth Proportional to 129,688.17, 194,549.27 and 50,792.14

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Solution

The fourth proportional to 129,688.17, 194,549.27 and 50,792.14 is: 76,194.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,688.17 : 194,549.27 = 50,792.14 : x
  2. Step 2: Convert to fraction form
    129,688.17/194,549.27 = 50,792.14/x
  3. Step 3: Cross multiply
    129,688.17x = 194,549.27 × 50,792.14
  4. Step 4: Simplify right side
    129,688.17x = 9,881,573,758.74
  5. Step 5: Solve for x
    x = 9,881,573,758.74/129,688.17
  6. Step 6: Final answer
    x = 76,194.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.