Home / 127,439.62-191,147.06-38,693.89

Finding the Fourth Proportional to 127,439.62, 191,147.06 and 38,693.89

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Solution

The fourth proportional to 127,439.62, 191,147.06 and 38,693.89 is: 58,037.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,439.62 : 191,147.06 = 38,693.89 : x
  2. Step 2: Convert to fraction form
    127,439.62/191,147.06 = 38,693.89/x
  3. Step 3: Cross multiply
    127,439.62x = 191,147.06 × 38,693.89
  4. Step 4: Simplify right side
    127,439.62x = 7,396,223,697.50
  5. Step 5: Solve for x
    x = 7,396,223,697.50/127,439.62
  6. Step 6: Final answer
    x = 58,037.08

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1.5x scale

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.