Home / 124,234.17-171,399.48-81,238.83

Finding the Fourth Proportional to 124,234.17, 171,399.48 and 81,238.83

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Solution

The fourth proportional to 124,234.17, 171,399.48 and 81,238.83 is: 112,081.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,234.17 : 171,399.48 = 81,238.83 : x
  2. Step 2: Convert to fraction form
    124,234.17/171,399.48 = 81,238.83/x
  3. Step 3: Cross multiply
    124,234.17x = 171,399.48 × 81,238.83
  4. Step 4: Simplify right side
    124,234.17x = 13,924,293,217.81
  5. Step 5: Solve for x
    x = 13,924,293,217.81/124,234.17
  6. Step 6: Final answer
    x = 112,081.03

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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.