Home / 440,865.56-660,972.72-141,172.76

Finding the Fourth Proportional to 440,865.56, 660,972.72 and 141,172.76

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Solution

The fourth proportional to 440,865.56, 660,972.72 and 141,172.76 is: 211,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,865.56 : 660,972.72 = 141,172.76 : x
  2. Step 2: Convert to fraction form
    440,865.56/660,972.72 = 141,172.76/x
  3. Step 3: Cross multiply
    440,865.56x = 660,972.72 × 141,172.76
  4. Step 4: Simplify right side
    440,865.56x = 93,311,343,167.11
  5. Step 5: Solve for x
    x = 93,311,343,167.11/440,865.56
  6. Step 6: Final answer
    x = 211,654.87

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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.