Home / 198,147.47-273,445.04-116,453.79

Finding the Fourth Proportional to 198,147.47, 273,445.04 and 116,453.79

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Solution

The fourth proportional to 198,147.47, 273,445.04 and 116,453.79 is: 160,707.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,147.47 : 273,445.04 = 116,453.79 : x
  2. Step 2: Convert to fraction form
    198,147.47/273,445.04 = 116,453.79/x
  3. Step 3: Cross multiply
    198,147.47x = 273,445.04 × 116,453.79
  4. Step 4: Simplify right side
    198,147.47x = 31,843,711,555.84
  5. Step 5: Solve for x
    x = 31,843,711,555.84/198,147.47
  6. Step 6: Final answer
    x = 160,707.14

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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.