Home / 124,233.42-171,398.46-81,238.08

Finding the Fourth Proportional to 124,233.42, 171,398.46 and 81,238.08

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Solution

The fourth proportional to 124,233.42, 171,398.46 and 81,238.08 is: 112,080.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,233.42 : 171,398.46 = 81,238.08 : x
  2. Step 2: Convert to fraction form
    124,233.42/171,398.46 = 81,238.08/x
  3. Step 3: Cross multiply
    124,233.42x = 171,398.46 × 81,238.08
  4. Step 4: Simplify right side
    124,233.42x = 13,924,081,805.36
  5. Step 5: Solve for x
    x = 13,924,081,805.36/124,233.42
  6. Step 6: Final answer
    x = 112,080.00

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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.