Home / 125,558.46-173,154.78-85,332.24

Finding the Fourth Proportional to 125,558.46, 173,154.78 and 85,332.24

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Solution

The fourth proportional to 125,558.46, 173,154.78 and 85,332.24 is: 117,679.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,558.46 : 173,154.78 = 85,332.24 : x
  2. Step 2: Convert to fraction form
    125,558.46/173,154.78 = 85,332.24/x
  3. Step 3: Cross multiply
    125,558.46x = 173,154.78 × 85,332.24
  4. Step 4: Simplify right side
    125,558.46x = 14,775,685,244.11
  5. Step 5: Solve for x
    x = 14,775,685,244.11/125,558.46
  6. Step 6: Final answer
    x = 117,679.73

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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.