Home / 102,190.55-141,035.24-61,903.13

Finding the Fourth Proportional to 102,190.55, 141,035.24 and 61,903.13

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Solution

The fourth proportional to 102,190.55, 141,035.24 and 61,903.13 is: 85,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,190.55 : 141,035.24 = 61,903.13 : x
  2. Step 2: Convert to fraction form
    102,190.55/141,035.24 = 61,903.13/x
  3. Step 3: Cross multiply
    102,190.55x = 141,035.24 × 61,903.13
  4. Step 4: Simplify right side
    102,190.55x = 8,730,522,796.30
  5. Step 5: Solve for x
    x = 8,730,522,796.30/102,190.55
  6. Step 6: Final answer
    x = 85,433.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.