Home / 156,298.10-215,679.45-95,035.78

Finding the Fourth Proportional to 156,298.10, 215,679.45 and 95,035.78

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Solution

The fourth proportional to 156,298.10, 215,679.45 and 95,035.78 is: 131,142.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,298.10 : 215,679.45 = 95,035.78 : x
  2. Step 2: Convert to fraction form
    156,298.10/215,679.45 = 95,035.78/x
  3. Step 3: Cross multiply
    156,298.10x = 215,679.45 × 95,035.78
  4. Step 4: Simplify right side
    156,298.10x = 20,497,263,682.32
  5. Step 5: Solve for x
    x = 20,497,263,682.32/156,298.10
  6. Step 6: Final answer
    x = 131,142.12

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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.