Home / 117,600.66-176,428.35-38,715.57

Finding the Fourth Proportional to 117,600.66, 176,428.35 and 38,715.57

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Solution

The fourth proportional to 117,600.66, 176,428.35 and 38,715.57 is: 58,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,600.66 : 176,428.35 = 38,715.57 : x
  2. Step 2: Convert to fraction form
    117,600.66/176,428.35 = 38,715.57/x
  3. Step 3: Cross multiply
    117,600.66x = 176,428.35 × 38,715.57
  4. Step 4: Simplify right side
    117,600.66x = 6,830,524,134.41
  5. Step 5: Solve for x
    x = 6,830,524,134.41/117,600.66
  6. Step 6: Final answer
    x = 58,082.36

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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.