Home / 156,037.68-215,331.50-84,417.68

Finding the Fourth Proportional to 156,037.68, 215,331.50 and 84,417.68

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Solution

The fourth proportional to 156,037.68, 215,331.50 and 84,417.68 is: 116,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,037.68 : 215,331.50 = 84,417.68 : x
  2. Step 2: Convert to fraction form
    156,037.68/215,331.50 = 84,417.68/x
  3. Step 3: Cross multiply
    156,037.68x = 215,331.50 × 84,417.68
  4. Step 4: Simplify right side
    156,037.68x = 18,177,785,660.92
  5. Step 5: Solve for x
    x = 18,177,785,660.92/156,037.68
  6. Step 6: Final answer
    x = 116,496.13

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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.