Home / 154,711.80-213,483.20-94,260.42

Finding the Fourth Proportional to 154,711.80, 213,483.20 and 94,260.42

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Solution

The fourth proportional to 154,711.80, 213,483.20 and 94,260.42 is: 130,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,711.80 : 213,483.20 = 94,260.42 : x
  2. Step 2: Convert to fraction form
    154,711.80/213,483.20 = 94,260.42/x
  3. Step 3: Cross multiply
    154,711.80x = 213,483.20 × 94,260.42
  4. Step 4: Simplify right side
    154,711.80x = 20,123,015,623.64
  5. Step 5: Solve for x
    x = 20,123,015,623.64/154,711.80
  6. Step 6: Final answer
    x = 130,067.75

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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.