Home / 151,523.04-209,102.92-83,542.44

Finding the Fourth Proportional to 151,523.04, 209,102.92 and 83,542.44

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Solution

The fourth proportional to 151,523.04, 209,102.92 and 83,542.44 is: 115,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,523.04 : 209,102.92 = 83,542.44 : x
  2. Step 2: Convert to fraction form
    151,523.04/209,102.92 = 83,542.44/x
  3. Step 3: Cross multiply
    151,523.04x = 209,102.92 × 83,542.44
  4. Step 4: Simplify right side
    151,523.04x = 17,468,968,147.92
  5. Step 5: Solve for x
    x = 17,468,968,147.92/151,523.04
  6. Step 6: Final answer
    x = 115,289.19

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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.