Home / 254,696.73-382,023.06-86,213.43

Finding the Fourth Proportional to 254,696.73, 382,023.06 and 86,213.43

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Solution

The fourth proportional to 254,696.73, 382,023.06 and 86,213.43 is: 129,312.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,696.73 : 382,023.06 = 86,213.43 : x
  2. Step 2: Convert to fraction form
    254,696.73/382,023.06 = 86,213.43/x
  3. Step 3: Cross multiply
    254,696.73x = 382,023.06 × 86,213.43
  4. Step 4: Simplify right side
    254,696.73x = 32,935,518,341.70
  5. Step 5: Solve for x
    x = 32,935,518,341.70/254,696.73
  6. Step 6: Final answer
    x = 129,312.69

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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.