Home / 230,721.20-346,276.20-112,493.60

Finding the Fourth Proportional to 230,721.20, 346,276.20 and 112,493.60

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Solution

The fourth proportional to 230,721.20, 346,276.20 and 112,493.60 is: 168,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,721.20 : 346,276.20 = 112,493.60 : x
  2. Step 2: Convert to fraction form
    230,721.20/346,276.20 = 112,493.60/x
  3. Step 3: Cross multiply
    230,721.20x = 346,276.20 × 112,493.60
  4. Step 4: Simplify right side
    230,721.20x = 38,953,856,332.32
  5. Step 5: Solve for x
    x = 38,953,856,332.32/230,721.20
  6. Step 6: Final answer
    x = 168,835.18

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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.