Home / 193,578.16-267,113.04-112,987.20

Finding the Fourth Proportional to 193,578.16, 267,113.04 and 112,987.20

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Solution

The fourth proportional to 193,578.16, 267,113.04 and 112,987.20 is: 155,907.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,578.16 : 267,113.04 = 112,987.20 : x
  2. Step 2: Convert to fraction form
    193,578.16/267,113.04 = 112,987.20/x
  3. Step 3: Cross multiply
    193,578.16x = 267,113.04 × 112,987.20
  4. Step 4: Simplify right side
    193,578.16x = 30,180,354,473.09
  5. Step 5: Solve for x
    x = 30,180,354,473.09/193,578.16
  6. Step 6: Final answer
    x = 155,907.85

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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.