Home / 193,927.68-267,775.20-125,978.40

Finding the Fourth Proportional to 193,927.68, 267,775.20 and 125,978.40

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Solution

The fourth proportional to 193,927.68, 267,775.20 and 125,978.40 is: 173,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,927.68 : 267,775.20 = 125,978.40 : x
  2. Step 2: Convert to fraction form
    193,927.68/267,775.20 = 125,978.40/x
  3. Step 3: Cross multiply
    193,927.68x = 267,775.20 × 125,978.40
  4. Step 4: Simplify right side
    193,927.68x = 33,733,891,255.68
  5. Step 5: Solve for x
    x = 33,733,891,255.68/193,927.68
  6. Step 6: Final answer
    x = 173,950.88

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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.