Home / 154,029.20-231,043.80-94,672.40

Finding the Fourth Proportional to 154,029.20, 231,043.80 and 94,672.40

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Solution

The fourth proportional to 154,029.20, 231,043.80 and 94,672.40 is: 142,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,029.20 : 231,043.80 = 94,672.40 : x
  2. Step 2: Convert to fraction form
    154,029.20/231,043.80 = 94,672.40/x
  3. Step 3: Cross multiply
    154,029.20x = 231,043.80 × 94,672.40
  4. Step 4: Simplify right side
    154,029.20x = 21,873,471,051.12
  5. Step 5: Solve for x
    x = 21,873,471,051.12/154,029.20
  6. Step 6: Final answer
    x = 142,008.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.