Home / 125,154.80-187,732.10-50,274.96

Finding the Fourth Proportional to 125,154.80, 187,732.10 and 50,274.96

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Solution

The fourth proportional to 125,154.80, 187,732.10 and 50,274.96 is: 75,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,154.80 : 187,732.10 = 50,274.96 : x
  2. Step 2: Convert to fraction form
    125,154.80/187,732.10 = 50,274.96/x
  3. Step 3: Cross multiply
    125,154.80x = 187,732.10 × 50,274.96
  4. Step 4: Simplify right side
    125,154.80x = 9,438,223,818.22
  5. Step 5: Solve for x
    x = 9,438,223,818.22/125,154.80
  6. Step 6: Final answer
    x = 75,412.40

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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.