Home / 198,505.41-273,970.13-144,967.65

Finding the Fourth Proportional to 198,505.41, 273,970.13 and 144,967.65

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Solution

The fourth proportional to 198,505.41, 273,970.13 and 144,967.65 is: 200,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,505.41 : 273,970.13 = 144,967.65 : x
  2. Step 2: Convert to fraction form
    198,505.41/273,970.13 = 144,967.65/x
  3. Step 3: Cross multiply
    198,505.41x = 273,970.13 × 144,967.65
  4. Step 4: Simplify right side
    198,505.41x = 39,716,805,191.46
  5. Step 5: Solve for x
    x = 39,716,805,191.46/198,505.41
  6. Step 6: Final answer
    x = 200,079.21

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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.