Home / 171,269.68-256,572.06-126,209.25

Finding the Fourth Proportional to 171,269.68, 256,572.06 and 126,209.25

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Solution

The fourth proportional to 171,269.68, 256,572.06 and 126,209.25 is: 189,068.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,269.68 : 256,572.06 = 126,209.25 : x
  2. Step 2: Convert to fraction form
    171,269.68/256,572.06 = 126,209.25/x
  3. Step 3: Cross multiply
    171,269.68x = 256,572.06 × 126,209.25
  4. Step 4: Simplify right side
    171,269.68x = 32,381,767,263.56
  5. Step 5: Solve for x
    x = 32,381,767,263.56/171,269.68
  6. Step 6: Final answer
    x = 189,068.88

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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.