Home / 515,926.80-773,999.55-156,068.10

Finding the Fourth Proportional to 515,926.80, 773,999.55 and 156,068.10

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Solution

The fourth proportional to 515,926.80, 773,999.55 and 156,068.10 is: 234,135.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,926.80 : 773,999.55 = 156,068.10 : x
  2. Step 2: Convert to fraction form
    515,926.80/773,999.55 = 156,068.10/x
  3. Step 3: Cross multiply
    515,926.80x = 773,999.55 × 156,068.10
  4. Step 4: Simplify right side
    515,926.80x = 120,796,639,169.36
  5. Step 5: Solve for x
    x = 120,796,639,169.36/515,926.80
  6. Step 6: Final answer
    x = 234,135.23

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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.