Home / 198,219.53-273,543.10-107,575.47

Finding the Fourth Proportional to 198,219.53, 273,543.10 and 107,575.47

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Solution

The fourth proportional to 198,219.53, 273,543.10 and 107,575.47 is: 148,454.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,219.53 : 273,543.10 = 107,575.47 : x
  2. Step 2: Convert to fraction form
    198,219.53/273,543.10 = 107,575.47/x
  3. Step 3: Cross multiply
    198,219.53x = 273,543.10 × 107,575.47
  4. Step 4: Simplify right side
    198,219.53x = 29,426,527,547.76
  5. Step 5: Solve for x
    x = 29,426,527,547.76/198,219.53
  6. Step 6: Final answer
    x = 148,454.23

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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.