Home / 193,846.16-267,396.12-121,122.92

Finding the Fourth Proportional to 193,846.16, 267,396.12 and 121,122.92

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Solution

The fourth proportional to 193,846.16, 267,396.12 and 121,122.92 is: 167,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,846.16 : 267,396.12 = 121,122.92 : x
  2. Step 2: Convert to fraction form
    193,846.16/267,396.12 = 121,122.92/x
  3. Step 3: Cross multiply
    193,846.16x = 267,396.12 × 121,122.92
  4. Step 4: Simplify right side
    193,846.16x = 32,387,798,851.07
  5. Step 5: Solve for x
    x = 32,387,798,851.07/193,846.16
  6. Step 6: Final answer
    x = 167,079.91

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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.