Home / 515,092.20-772,695.90-160,103.40

Finding the Fourth Proportional to 515,092.20, 772,695.90 and 160,103.40

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Solution

The fourth proportional to 515,092.20, 772,695.90 and 160,103.40 is: 240,173.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,092.20 : 772,695.90 = 160,103.40 : x
  2. Step 2: Convert to fraction form
    515,092.20/772,695.90 = 160,103.40/x
  3. Step 3: Cross multiply
    515,092.20x = 772,695.90 × 160,103.40
  4. Step 4: Simplify right side
    515,092.20x = 123,711,240,756.06
  5. Step 5: Solve for x
    x = 123,711,240,756.06/515,092.20
  6. Step 6: Final answer
    x = 240,173.00

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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.