Home / 198,283.65-273,633.57-107,640.47

Finding the Fourth Proportional to 198,283.65, 273,633.57 and 107,640.47

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Solution

The fourth proportional to 198,283.65, 273,633.57 and 107,640.47 is: 148,545.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,283.65 : 273,633.57 = 107,640.47 : x
  2. Step 2: Convert to fraction form
    198,283.65/273,633.57 = 107,640.47/x
  3. Step 3: Cross multiply
    198,283.65x = 273,633.57 × 107,640.47
  4. Step 4: Simplify right side
    198,283.65x = 29,454,044,714.41
  5. Step 5: Solve for x
    x = 29,454,044,714.41/198,283.65
  6. Step 6: Final answer
    x = 148,545.00

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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.