Home / 123,267.24-170,129.68-71,576.33

Finding the Fourth Proportional to 123,267.24, 170,129.68 and 71,576.33

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Solution

The fourth proportional to 123,267.24, 170,129.68 and 71,576.33 is: 98,787.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,267.24 : 170,129.68 = 71,576.33 : x
  2. Step 2: Convert to fraction form
    123,267.24/170,129.68 = 71,576.33/x
  3. Step 3: Cross multiply
    123,267.24x = 170,129.68 × 71,576.33
  4. Step 4: Simplify right side
    123,267.24x = 12,177,257,088.89
  5. Step 5: Solve for x
    x = 12,177,257,088.89/123,267.24
  6. Step 6: Final answer
    x = 98,787.46

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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.