Home / 145,034.04-217,343.70-82,575.48

Finding the Fourth Proportional to 145,034.04, 217,343.70 and 82,575.48

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Solution

The fourth proportional to 145,034.04, 217,343.70 and 82,575.48 is: 123,745.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,034.04 : 217,343.70 = 82,575.48 : x
  2. Step 2: Convert to fraction form
    145,034.04/217,343.70 = 82,575.48/x
  3. Step 3: Cross multiply
    145,034.04x = 217,343.70 × 82,575.48
  4. Step 4: Simplify right side
    145,034.04x = 17,947,260,352.48
  5. Step 5: Solve for x
    x = 17,947,260,352.48/145,034.04
  6. Step 6: Final answer
    x = 123,745.16

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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.