Home / 410,132.72-614,823.24-143,748.02

Finding the Fourth Proportional to 410,132.72, 614,823.24 and 143,748.02

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Solution

The fourth proportional to 410,132.72, 614,823.24 and 143,748.02 is: 215,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,132.72 : 614,823.24 = 143,748.02 : x
  2. Step 2: Convert to fraction form
    410,132.72/614,823.24 = 143,748.02/x
  3. Step 3: Cross multiply
    410,132.72x = 614,823.24 × 143,748.02
  4. Step 4: Simplify right side
    410,132.72x = 88,379,623,399.98
  5. Step 5: Solve for x
    x = 88,379,623,399.98/410,132.72
  6. Step 6: Final answer
    x = 215,490.30

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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.