Home / 202,966.53-280,086.89-112,326.31

Finding the Fourth Proportional to 202,966.53, 280,086.89 and 112,326.31

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Solution

The fourth proportional to 202,966.53, 280,086.89 and 112,326.31 is: 155,006.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,966.53 : 280,086.89 = 112,326.31 : x
  2. Step 2: Convert to fraction form
    202,966.53/280,086.89 = 112,326.31/x
  3. Step 3: Cross multiply
    202,966.53x = 280,086.89 × 112,326.31
  4. Step 4: Simplify right side
    202,966.53x = 31,461,126,833.08
  5. Step 5: Solve for x
    x = 31,461,126,833.08/202,966.53
  6. Step 6: Final answer
    x = 155,006.48

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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.