Home / 283,278.06-424,761.80-112,326.66

Finding the Fourth Proportional to 283,278.06, 424,761.80 and 112,326.66

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Solution

The fourth proportional to 283,278.06, 424,761.80 and 112,326.66 is: 168,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,278.06 : 424,761.80 = 112,326.66 : x
  2. Step 2: Convert to fraction form
    283,278.06/424,761.80 = 112,326.66/x
  3. Step 3: Cross multiply
    283,278.06x = 424,761.80 × 112,326.66
  4. Step 4: Simplify right side
    283,278.06x = 47,712,073,727.95
  5. Step 5: Solve for x
    x = 47,712,073,727.95/283,278.06
  6. Step 6: Final answer
    x = 168,428.41

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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.