Home / 125,031.86-187,416.54-89,952.38

Finding the Fourth Proportional to 125,031.86, 187,416.54 and 89,952.38

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Solution

The fourth proportional to 125,031.86, 187,416.54 and 89,952.38 is: 134,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,031.86 : 187,416.54 = 89,952.38 : x
  2. Step 2: Convert to fraction form
    125,031.86/187,416.54 = 89,952.38/x
  3. Step 3: Cross multiply
    125,031.86x = 187,416.54 × 89,952.38
  4. Step 4: Simplify right side
    125,031.86x = 16,858,563,824.37
  5. Step 5: Solve for x
    x = 16,858,563,824.37/125,031.86
  6. Step 6: Final answer
    x = 134,834.14

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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.