Home / 151,452.78-209,006.22-83,472.18

Finding the Fourth Proportional to 151,452.78, 209,006.22 and 83,472.18

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Solution

The fourth proportional to 151,452.78, 209,006.22 and 83,472.18 is: 115,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,452.78 : 209,006.22 = 83,472.18 : x
  2. Step 2: Convert to fraction form
    151,452.78/209,006.22 = 83,472.18/x
  3. Step 3: Cross multiply
    151,452.78x = 209,006.22 × 83,472.18
  4. Step 4: Simplify right side
    151,452.78x = 17,446,204,816.96
  5. Step 5: Solve for x
    x = 17,446,204,816.96/151,452.78
  6. Step 6: Final answer
    x = 115,192.37

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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.