Home / 175,082.10-262,623.15-86,508.60

Finding the Fourth Proportional to 175,082.10, 262,623.15 and 86,508.60

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Solution

The fourth proportional to 175,082.10, 262,623.15 and 86,508.60 is: 129,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,082.10 : 262,623.15 = 86,508.60 : x
  2. Step 2: Convert to fraction form
    175,082.10/262,623.15 = 86,508.60/x
  3. Step 3: Cross multiply
    175,082.10x = 262,623.15 × 86,508.60
  4. Step 4: Simplify right side
    175,082.10x = 22,719,161,034.09
  5. Step 5: Solve for x
    x = 22,719,161,034.09/175,082.10
  6. Step 6: Final answer
    x = 129,762.90

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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.