Home / 151,324.25-208,836.90-83,341.20

Finding the Fourth Proportional to 151,324.25, 208,836.90 and 83,341.20

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Solution

The fourth proportional to 151,324.25, 208,836.90 and 83,341.20 is: 115,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,324.25 : 208,836.90 = 83,341.20 : x
  2. Step 2: Convert to fraction form
    151,324.25/208,836.90 = 83,341.20/x
  3. Step 3: Cross multiply
    151,324.25x = 208,836.90 × 83,341.20
  4. Step 4: Simplify right side
    151,324.25x = 17,404,717,850.28
  5. Step 5: Solve for x
    x = 17,404,717,850.28/151,324.25
  6. Step 6: Final answer
    x = 115,016.05

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1.5x scale

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.