Home / 156,031.60-215,349.36-95,635.84

Finding the Fourth Proportional to 156,031.60, 215,349.36 and 95,635.84

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Solution

The fourth proportional to 156,031.60, 215,349.36 and 95,635.84 is: 131,993.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,031.60 : 215,349.36 = 95,635.84 : x
  2. Step 2: Convert to fraction form
    156,031.60/215,349.36 = 95,635.84/x
  3. Step 3: Cross multiply
    156,031.60x = 215,349.36 × 95,635.84
  4. Step 4: Simplify right side
    156,031.60x = 20,595,116,937.06
  5. Step 5: Solve for x
    x = 20,595,116,937.06/156,031.60
  6. Step 6: Final answer
    x = 131,993.24

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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.