Home / 198,044.79-273,316.90-112,005.47

Finding the Fourth Proportional to 198,044.79, 273,316.90 and 112,005.47

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Solution

The fourth proportional to 198,044.79, 273,316.90 and 112,005.47 is: 154,576.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,044.79 : 273,316.90 = 112,005.47 : x
  2. Step 2: Convert to fraction form
    198,044.79/273,316.90 = 112,005.47/x
  3. Step 3: Cross multiply
    198,044.79x = 273,316.90 × 112,005.47
  4. Step 4: Simplify right side
    198,044.79x = 30,612,987,843.44
  5. Step 5: Solve for x
    x = 30,612,987,843.44/198,044.79
  6. Step 6: Final answer
    x = 154,576.08

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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.