Home / 123,586.06-170,383.82-98,176.76

Finding the Fourth Proportional to 123,586.06, 170,383.82 and 98,176.76

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Solution

The fourth proportional to 123,586.06, 170,383.82 and 98,176.76 is: 135,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,586.06 : 170,383.82 = 98,176.76 : x
  2. Step 2: Convert to fraction form
    123,586.06/170,383.82 = 98,176.76/x
  3. Step 3: Cross multiply
    123,586.06x = 170,383.82 × 98,176.76
  4. Step 4: Simplify right side
    123,586.06x = 16,727,731,404.02
  5. Step 5: Solve for x
    x = 16,727,731,404.02/123,586.06
  6. Step 6: Final answer
    x = 135,352.90

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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.