Home / 127,704.79-191,550.05-38,951.32

Finding the Fourth Proportional to 127,704.79, 191,550.05 and 38,951.32

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Solution

The fourth proportional to 127,704.79, 191,550.05 and 38,951.32 is: 58,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,704.79 : 191,550.05 = 38,951.32 : x
  2. Step 2: Convert to fraction form
    127,704.79/191,550.05 = 38,951.32/x
  3. Step 3: Cross multiply
    127,704.79x = 191,550.05 × 38,951.32
  4. Step 4: Simplify right side
    127,704.79x = 7,461,127,098.81
  5. Step 5: Solve for x
    x = 7,461,127,098.81/127,704.79
  6. Step 6: Final answer
    x = 58,424.80

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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.