Home / 144,539.90-199,473.82-80,876.34

Finding the Fourth Proportional to 144,539.90, 199,473.82 and 80,876.34

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Solution

The fourth proportional to 144,539.90, 199,473.82 and 80,876.34 is: 111,614.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,539.90 : 199,473.82 = 80,876.34 : x
  2. Step 2: Convert to fraction form
    144,539.90/199,473.82 = 80,876.34/x
  3. Step 3: Cross multiply
    144,539.90x = 199,473.82 × 80,876.34
  4. Step 4: Simplify right side
    144,539.90x = 16,132,712,487.42
  5. Step 5: Solve for x
    x = 16,132,712,487.42/144,539.90
  6. Step 6: Final answer
    x = 111,614.25

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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.