Home / 152,780.40-229,228.20-73,964.40

Finding the Fourth Proportional to 152,780.40, 229,228.20 and 73,964.40

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Solution

The fourth proportional to 152,780.40, 229,228.20 and 73,964.40 is: 110,974.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,780.40 : 229,228.20 = 73,964.40 : x
  2. Step 2: Convert to fraction form
    152,780.40/229,228.20 = 73,964.40/x
  3. Step 3: Cross multiply
    152,780.40x = 229,228.20 × 73,964.40
  4. Step 4: Simplify right side
    152,780.40x = 16,954,726,276.08
  5. Step 5: Solve for x
    x = 16,954,726,276.08/152,780.40
  6. Step 6: Final answer
    x = 110,974.49

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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.