Home / 155,032.25-232,331.76-83,801.39

Finding the Fourth Proportional to 155,032.25, 232,331.76 and 83,801.39

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Solution

The fourth proportional to 155,032.25, 232,331.76 and 83,801.39 is: 125,584.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,032.25 : 232,331.76 = 83,801.39 : x
  2. Step 2: Convert to fraction form
    155,032.25/232,331.76 = 83,801.39/x
  3. Step 3: Cross multiply
    155,032.25x = 232,331.76 × 83,801.39
  4. Step 4: Simplify right side
    155,032.25x = 19,469,723,267.49
  5. Step 5: Solve for x
    x = 19,469,723,267.49/155,032.25
  6. Step 6: Final answer
    x = 125,584.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.