Home / 515,169.18-772,666.29-136,094.04

Finding the Fourth Proportional to 515,169.18, 772,666.29 and 136,094.04

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Solution

The fourth proportional to 515,169.18, 772,666.29 and 136,094.04 is: 204,117.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,169.18 : 772,666.29 = 136,094.04 : x
  2. Step 2: Convert to fraction form
    515,169.18/772,666.29 = 136,094.04/x
  3. Step 3: Cross multiply
    515,169.18x = 772,666.29 × 136,094.04
  4. Step 4: Simplify right side
    515,169.18x = 105,155,276,977.91
  5. Step 5: Solve for x
    x = 105,155,276,977.91/515,169.18
  6. Step 6: Final answer
    x = 204,117.95

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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.