Home / 125,207.76-187,752.24-72,633.36

Finding the Fourth Proportional to 125,207.76, 187,752.24 and 72,633.36

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Solution

The fourth proportional to 125,207.76, 187,752.24 and 72,633.36 is: 108,915.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,207.76 : 187,752.24 = 72,633.36 : x
  2. Step 2: Convert to fraction form
    125,207.76/187,752.24 = 72,633.36/x
  3. Step 3: Cross multiply
    125,207.76x = 187,752.24 × 72,633.36
  4. Step 4: Simplify right side
    125,207.76x = 13,637,076,038.73
  5. Step 5: Solve for x
    x = 13,637,076,038.73/125,207.76
  6. Step 6: Final answer
    x = 108,915.58

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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.