Home / 123,785.46-170,822.76-67,196.76

Finding the Fourth Proportional to 123,785.46, 170,822.76 and 67,196.76

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Solution

The fourth proportional to 123,785.46, 170,822.76 and 67,196.76 is: 92,730.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,785.46 : 170,822.76 = 67,196.76 : x
  2. Step 2: Convert to fraction form
    123,785.46/170,822.76 = 67,196.76/x
  3. Step 3: Cross multiply
    123,785.46x = 170,822.76 × 67,196.76
  4. Step 4: Simplify right side
    123,785.46x = 11,478,736,006.26
  5. Step 5: Solve for x
    x = 11,478,736,006.26/123,785.46
  6. Step 6: Final answer
    x = 92,730.89

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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.