Home / 156,327.81-215,736.36-95,931.81

Finding the Fourth Proportional to 156,327.81, 215,736.36 and 95,931.81

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Solution

The fourth proportional to 156,327.81, 215,736.36 and 95,931.81 is: 132,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,327.81 : 215,736.36 = 95,931.81 : x
  2. Step 2: Convert to fraction form
    156,327.81/215,736.36 = 95,931.81/x
  3. Step 3: Cross multiply
    156,327.81x = 215,736.36 × 95,931.81
  4. Step 4: Simplify right side
    156,327.81x = 20,695,979,497.61
  5. Step 5: Solve for x
    x = 20,695,979,497.61/156,327.81
  6. Step 6: Final answer
    x = 132,388.34

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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.