Home / 440,024.82-660,031.67-140,501.61

Finding the Fourth Proportional to 440,024.82, 660,031.67 and 140,501.61

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Solution

The fourth proportional to 440,024.82, 660,031.67 and 140,501.61 is: 210,750.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,024.82 : 660,031.67 = 140,501.61 : x
  2. Step 2: Convert to fraction form
    440,024.82/660,031.67 = 140,501.61/x
  3. Step 3: Cross multiply
    440,024.82x = 660,031.67 × 140,501.61
  4. Step 4: Simplify right side
    440,024.82x = 92,735,511,583.48
  5. Step 5: Solve for x
    x = 92,735,511,583.48/440,024.82
  6. Step 6: Final answer
    x = 210,750.64

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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.