Home / 193,660.16-267,139.28-113,080.08

Finding the Fourth Proportional to 193,660.16, 267,139.28 and 113,080.08

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Solution

The fourth proportional to 193,660.16, 267,139.28 and 113,080.08 is: 155,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,660.16 : 267,139.28 = 113,080.08 : x
  2. Step 2: Convert to fraction form
    193,660.16/267,139.28 = 113,080.08/x
  3. Step 3: Cross multiply
    193,660.16x = 267,139.28 × 113,080.08
  4. Step 4: Simplify right side
    193,660.16x = 30,208,131,153.54
  5. Step 5: Solve for x
    x = 30,208,131,153.54/193,660.16
  6. Step 6: Final answer
    x = 155,985.26

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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.