Home / 127,632.33-191,477.05-38,892.78

Finding the Fourth Proportional to 127,632.33, 191,477.05 and 38,892.78

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Solution

The fourth proportional to 127,632.33, 191,477.05 and 38,892.78 is: 58,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,632.33 : 191,477.05 = 38,892.78 : x
  2. Step 2: Convert to fraction form
    127,632.33/191,477.05 = 38,892.78/x
  3. Step 3: Cross multiply
    127,632.33x = 191,477.05 × 38,892.78
  4. Step 4: Simplify right side
    127,632.33x = 7,447,074,683.47
  5. Step 5: Solve for x
    x = 7,447,074,683.47/127,632.33
  6. Step 6: Final answer
    x = 58,347.87

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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.