Home / 127,588.27-191,410.08-38,839.47

Finding the Fourth Proportional to 127,588.27, 191,410.08 and 38,839.47

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Solution

The fourth proportional to 127,588.27, 191,410.08 and 38,839.47 is: 58,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,588.27 : 191,410.08 = 38,839.47 : x
  2. Step 2: Convert to fraction form
    127,588.27/191,410.08 = 38,839.47/x
  3. Step 3: Cross multiply
    127,588.27x = 191,410.08 × 38,839.47
  4. Step 4: Simplify right side
    127,588.27x = 7,434,266,059.86
  5. Step 5: Solve for x
    x = 7,434,266,059.86/127,588.27
  6. Step 6: Final answer
    x = 58,267.63

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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.