Home / 230,826.80-346,337.40-125,721.20

Finding the Fourth Proportional to 230,826.80, 346,337.40 and 125,721.20

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Solution

The fourth proportional to 230,826.80, 346,337.40 and 125,721.20 is: 188,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,826.80 : 346,337.40 = 125,721.20 : x
  2. Step 2: Convert to fraction form
    230,826.80/346,337.40 = 125,721.20/x
  3. Step 3: Cross multiply
    230,826.80x = 346,337.40 × 125,721.20
  4. Step 4: Simplify right side
    230,826.80x = 43,541,953,532.88
  5. Step 5: Solve for x
    x = 43,541,953,532.88/230,826.80
  6. Step 6: Final answer
    x = 188,634.74

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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.