Home / 125,412.32-188,136.13-36,672.50

Finding the Fourth Proportional to 125,412.32, 188,136.13 and 36,672.50

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Solution

The fourth proportional to 125,412.32, 188,136.13 and 36,672.50 is: 55,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,412.32 : 188,136.13 = 36,672.50 : x
  2. Step 2: Convert to fraction form
    125,412.32/188,136.13 = 36,672.50/x
  3. Step 3: Cross multiply
    125,412.32x = 188,136.13 × 36,672.50
  4. Step 4: Simplify right side
    125,412.32x = 6,899,422,227.43
  5. Step 5: Solve for x
    x = 6,899,422,227.43/125,412.32
  6. Step 6: Final answer
    x = 55,013.91

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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.