Home / 127,864.68-191,755.56-60,386.28

Finding the Fourth Proportional to 127,864.68, 191,755.56 and 60,386.28

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Solution

The fourth proportional to 127,864.68, 191,755.56 and 60,386.28 is: 90,559.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,864.68 : 191,755.56 = 60,386.28 : x
  2. Step 2: Convert to fraction form
    127,864.68/191,755.56 = 60,386.28/x
  3. Step 3: Cross multiply
    127,864.68x = 191,755.56 × 60,386.28
  4. Step 4: Simplify right side
    127,864.68x = 11,579,404,937.72
  5. Step 5: Solve for x
    x = 11,579,404,937.72/127,864.68
  6. Step 6: Final answer
    x = 90,559.84

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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.