Home / 193,521.15-267,012.45-112,902.66

Finding the Fourth Proportional to 193,521.15, 267,012.45 and 112,902.66

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Solution

The fourth proportional to 193,521.15, 267,012.45 and 112,902.66 is: 155,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,521.15 : 267,012.45 = 112,902.66 : x
  2. Step 2: Convert to fraction form
    193,521.15/267,012.45 = 112,902.66/x
  3. Step 3: Cross multiply
    193,521.15x = 267,012.45 × 112,902.66
  4. Step 4: Simplify right side
    193,521.15x = 30,146,415,858.12
  5. Step 5: Solve for x
    x = 30,146,415,858.12/193,521.15
  6. Step 6: Final answer
    x = 155,778.40

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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.