Home / 411,621.45-617,077.27-159,079.14

Finding the Fourth Proportional to 411,621.45, 617,077.27 and 159,079.14

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Solution

The fourth proportional to 411,621.45, 617,077.27 and 159,079.14 is: 238,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,621.45 : 617,077.27 = 159,079.14 : x
  2. Step 2: Convert to fraction form
    411,621.45/617,077.27 = 159,079.14/x
  3. Step 3: Cross multiply
    411,621.45x = 617,077.27 × 159,079.14
  4. Step 4: Simplify right side
    411,621.45x = 98,164,121,624.00
  5. Step 5: Solve for x
    x = 98,164,121,624.00/411,621.45
  6. Step 6: Final answer
    x = 238,481.55

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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.