Home / 107,812.30-161,718.45-92,260.30

Finding the Fourth Proportional to 107,812.30, 161,718.45 and 92,260.30

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Solution

The fourth proportional to 107,812.30, 161,718.45 and 92,260.30 is: 138,390.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,812.30 : 161,718.45 = 92,260.30 : x
  2. Step 2: Convert to fraction form
    107,812.30/161,718.45 = 92,260.30/x
  3. Step 3: Cross multiply
    107,812.30x = 161,718.45 × 92,260.30
  4. Step 4: Simplify right side
    107,812.30x = 14,920,192,712.54
  5. Step 5: Solve for x
    x = 14,920,192,712.54/107,812.30
  6. Step 6: Final answer
    x = 138,390.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.