Home / 151,841.03-209,542.19-83,859.71

Finding the Fourth Proportional to 151,841.03, 209,542.19 and 83,859.71

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Solution

The fourth proportional to 151,841.03, 209,542.19 and 83,859.71 is: 115,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,841.03 : 209,542.19 = 83,859.71 : x
  2. Step 2: Convert to fraction form
    151,841.03/209,542.19 = 83,859.71/x
  3. Step 3: Cross multiply
    151,841.03x = 209,542.19 × 83,859.71
  4. Step 4: Simplify right side
    151,841.03x = 17,572,146,290.87
  5. Step 5: Solve for x
    x = 17,572,146,290.87/151,841.03
  6. Step 6: Final answer
    x = 115,727.26

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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.