Home / 220,451.04-330,730.56-70,691.76

Finding the Fourth Proportional to 220,451.04, 330,730.56 and 70,691.76

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Solution

The fourth proportional to 220,451.04, 330,730.56 and 70,691.76 is: 106,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,451.04 : 330,730.56 = 70,691.76 : x
  2. Step 2: Convert to fraction form
    220,451.04/330,730.56 = 70,691.76/x
  3. Step 3: Cross multiply
    220,451.04x = 330,730.56 × 70,691.76
  4. Step 4: Simplify right side
    220,451.04x = 23,379,925,372.19
  5. Step 5: Solve for x
    x = 23,379,925,372.19/220,451.04
  6. Step 6: Final answer
    x = 106,054.96

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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.