Home / 151,363.19-208,897.61-83,387.13

Finding the Fourth Proportional to 151,363.19, 208,897.61 and 83,387.13

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Solution

The fourth proportional to 151,363.19, 208,897.61 and 83,387.13 is: 115,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,363.19 : 208,897.61 = 83,387.13 : x
  2. Step 2: Convert to fraction form
    151,363.19/208,897.61 = 83,387.13/x
  3. Step 3: Cross multiply
    151,363.19x = 208,897.61 × 83,387.13
  4. Step 4: Simplify right side
    151,363.19x = 17,419,372,161.76
  5. Step 5: Solve for x
    x = 17,419,372,161.76/151,363.19
  6. Step 6: Final answer
    x = 115,083.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.