Home / 127,838.29-191,757.45-39,091.80

Finding the Fourth Proportional to 127,838.29, 191,757.45 and 39,091.80

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Solution

The fourth proportional to 127,838.29, 191,757.45 and 39,091.80 is: 58,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,838.29 : 191,757.45 = 39,091.80 : x
  2. Step 2: Convert to fraction form
    127,838.29/191,757.45 = 39,091.80/x
  3. Step 3: Cross multiply
    127,838.29x = 191,757.45 × 39,091.80
  4. Step 4: Simplify right side
    127,838.29x = 7,496,143,883.91
  5. Step 5: Solve for x
    x = 7,496,143,883.91/127,838.29
  6. Step 6: Final answer
    x = 58,637.70

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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.