Home / 149,851.85-223,684.66-130,934.64

Finding the Fourth Proportional to 149,851.85, 223,684.66 and 130,934.64

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Solution

The fourth proportional to 149,851.85, 223,684.66 and 130,934.64 is: 195,446.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,851.85 : 223,684.66 = 130,934.64 : x
  2. Step 2: Convert to fraction form
    149,851.85/223,684.66 = 130,934.64/x
  3. Step 3: Cross multiply
    149,851.85x = 223,684.66 × 130,934.64
  4. Step 4: Simplify right side
    149,851.85x = 29,288,070,198.75
  5. Step 5: Solve for x
    x = 29,288,070,198.75/149,851.85
  6. Step 6: Final answer
    x = 195,446.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.