Home / 198,527.22-273,966.71-112,486.05

Finding the Fourth Proportional to 198,527.22, 273,966.71 and 112,486.05

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Solution

The fourth proportional to 198,527.22, 273,966.71 and 112,486.05 is: 155,230.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,527.22 : 273,966.71 = 112,486.05 : x
  2. Step 2: Convert to fraction form
    198,527.22/273,966.71 = 112,486.05/x
  3. Step 3: Cross multiply
    198,527.22x = 273,966.71 × 112,486.05
  4. Step 4: Simplify right side
    198,527.22x = 30,817,432,476.97
  5. Step 5: Solve for x
    x = 30,817,432,476.97/198,527.22
  6. Step 6: Final answer
    x = 155,230.26

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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.