Home / 125,558.76-188,353.50-51,707.88

Finding the Fourth Proportional to 125,558.76, 188,353.50 and 51,707.88

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Solution

The fourth proportional to 125,558.76, 188,353.50 and 51,707.88 is: 77,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,558.76 : 188,353.50 = 51,707.88 : x
  2. Step 2: Convert to fraction form
    125,558.76/188,353.50 = 51,707.88/x
  3. Step 3: Cross multiply
    125,558.76x = 188,353.50 × 51,707.88
  4. Step 4: Simplify right side
    125,558.76x = 9,739,360,175.58
  5. Step 5: Solve for x
    x = 9,739,360,175.58/125,558.76
  6. Step 6: Final answer
    x = 77,568.15

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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.