Home / 102,082.08-153,154.20-52,197.22

Finding the Fourth Proportional to 102,082.08, 153,154.20 and 52,197.22

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Solution

The fourth proportional to 102,082.08, 153,154.20 and 52,197.22 is: 78,311.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,082.08 : 153,154.20 = 52,197.22 : x
  2. Step 2: Convert to fraction form
    102,082.08/153,154.20 = 52,197.22/x
  3. Step 3: Cross multiply
    102,082.08x = 153,154.20 × 52,197.22
  4. Step 4: Simplify right side
    102,082.08x = 7,994,222,444.57
  5. Step 5: Solve for x
    x = 7,994,222,444.57/102,082.08
  6. Step 6: Final answer
    x = 78,311.72

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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.