Home / 117,561.30-176,354.28-38,681.70

Finding the Fourth Proportional to 117,561.30, 176,354.28 and 38,681.70

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Solution

The fourth proportional to 117,561.30, 176,354.28 and 38,681.70 is: 58,026.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,561.30 : 176,354.28 = 38,681.70 : x
  2. Step 2: Convert to fraction form
    117,561.30/176,354.28 = 38,681.70/x
  3. Step 3: Cross multiply
    117,561.30x = 176,354.28 × 38,681.70
  4. Step 4: Simplify right side
    117,561.30x = 6,821,683,352.68
  5. Step 5: Solve for x
    x = 6,821,683,352.68/117,561.30
  6. Step 6: Final answer
    x = 58,026.61

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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.