Home / 440,192.60-660,548.10-159,738.20

Finding the Fourth Proportional to 440,192.60, 660,548.10 and 159,738.20

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Solution

The fourth proportional to 440,192.60, 660,548.10 and 159,738.20 is: 239,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,192.60 : 660,548.10 = 159,738.20 : x
  2. Step 2: Convert to fraction form
    440,192.60/660,548.10 = 159,738.20/x
  3. Step 3: Cross multiply
    440,192.60x = 660,548.10 × 159,738.20
  4. Step 4: Simplify right side
    440,192.60x = 105,514,764,507.42
  5. Step 5: Solve for x
    x = 105,514,764,507.42/440,192.60
  6. Step 6: Final answer
    x = 239,701.36

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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.