Home / 127,614.89-191,415.35-38,860.97

Finding the Fourth Proportional to 127,614.89, 191,415.35 and 38,860.97

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Solution

The fourth proportional to 127,614.89, 191,415.35 and 38,860.97 is: 58,289.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,614.89 : 191,415.35 = 38,860.97 : x
  2. Step 2: Convert to fraction form
    127,614.89/191,415.35 = 38,860.97/x
  3. Step 3: Cross multiply
    127,614.89x = 191,415.35 × 38,860.97
  4. Step 4: Simplify right side
    127,614.89x = 7,438,585,313.97
  5. Step 5: Solve for x
    x = 7,438,585,313.97/127,614.89
  6. Step 6: Final answer
    x = 58,289.32

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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.