Home / 440,172.12-660,301.92-159,711.24

Finding the Fourth Proportional to 440,172.12, 660,301.92 and 159,711.24

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Solution

The fourth proportional to 440,172.12, 660,301.92 and 159,711.24 is: 239,582.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,172.12 : 660,301.92 = 159,711.24 : x
  2. Step 2: Convert to fraction form
    440,172.12/660,301.92 = 159,711.24/x
  3. Step 3: Cross multiply
    440,172.12x = 660,301.92 × 159,711.24
  4. Step 4: Simplify right side
    440,172.12x = 105,457,638,417.58
  5. Step 5: Solve for x
    x = 105,457,638,417.58/440,172.12
  6. Step 6: Final answer
    x = 239,582.73

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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.