Home / 124,525.72-171,882.30-86,812.12

Finding the Fourth Proportional to 124,525.72, 171,882.30 and 86,812.12

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Solution

The fourth proportional to 124,525.72, 171,882.30 and 86,812.12 is: 119,826.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,525.72 : 171,882.30 = 86,812.12 : x
  2. Step 2: Convert to fraction form
    124,525.72/171,882.30 = 86,812.12/x
  3. Step 3: Cross multiply
    124,525.72x = 171,882.30 × 86,812.12
  4. Step 4: Simplify right side
    124,525.72x = 14,921,466,853.48
  5. Step 5: Solve for x
    x = 14,921,466,853.48/124,525.72
  6. Step 6: Final answer
    x = 119,826.38

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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.