Home / 151,534.08-209,105.82-83,552.40

Finding the Fourth Proportional to 151,534.08, 209,105.82 and 83,552.40

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Solution

The fourth proportional to 151,534.08, 209,105.82 and 83,552.40 is: 115,296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,534.08 : 209,105.82 = 83,552.40 : x
  2. Step 2: Convert to fraction form
    151,534.08/209,105.82 = 83,552.40/x
  3. Step 3: Cross multiply
    151,534.08x = 209,105.82 × 83,552.40
  4. Step 4: Simplify right side
    151,534.08x = 17,471,293,114.97
  5. Step 5: Solve for x
    x = 17,471,293,114.97/151,534.08
  6. Step 6: Final answer
    x = 115,296.13

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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.