Home / 440,298.59-660,541.97-136,686.04

Finding the Fourth Proportional to 440,298.59, 660,541.97 and 136,686.04

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Solution

The fourth proportional to 440,298.59, 660,541.97 and 136,686.04 is: 205,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,298.59 : 660,541.97 = 136,686.04 : x
  2. Step 2: Convert to fraction form
    440,298.59/660,541.97 = 136,686.04/x
  3. Step 3: Cross multiply
    440,298.59x = 660,541.97 × 136,686.04
  4. Step 4: Simplify right side
    440,298.59x = 90,286,864,823.46
  5. Step 5: Solve for x
    x = 90,286,864,823.46/440,298.59
  6. Step 6: Final answer
    x = 205,058.27

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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.