Home / 193,783.12-267,442.85-107,750.68

Finding the Fourth Proportional to 193,783.12, 267,442.85 and 107,750.68

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Solution

The fourth proportional to 193,783.12, 267,442.85 and 107,750.68 is: 148,708.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,783.12 : 267,442.85 = 107,750.68 : x
  2. Step 2: Convert to fraction form
    193,783.12/267,442.85 = 107,750.68/x
  3. Step 3: Cross multiply
    193,783.12x = 267,442.85 × 107,750.68
  4. Step 4: Simplify right side
    193,783.12x = 28,817,148,948.64
  5. Step 5: Solve for x
    x = 28,817,148,948.64/193,783.12
  6. Step 6: Final answer
    x = 148,708.25

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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.