Home / 127,972.29-191,995.33-39,238.89

Finding the Fourth Proportional to 127,972.29, 191,995.33 and 39,238.89

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Solution

The fourth proportional to 127,972.29, 191,995.33 and 39,238.89 is: 58,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,972.29 : 191,995.33 = 39,238.89 : x
  2. Step 2: Convert to fraction form
    127,972.29/191,995.33 = 39,238.89/x
  3. Step 3: Cross multiply
    127,972.29x = 191,995.33 × 39,238.89
  4. Step 4: Simplify right side
    127,972.29x = 7,533,683,634.38
  5. Step 5: Solve for x
    x = 7,533,683,634.38/127,972.29
  6. Step 6: Final answer
    x = 58,869.65

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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.