Home / 230,891.12-346,400.40-97,701.20

Finding the Fourth Proportional to 230,891.12, 346,400.40 and 97,701.20

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Solution

The fourth proportional to 230,891.12, 346,400.40 and 97,701.20 is: 146,578.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,891.12 : 346,400.40 = 97,701.20 : x
  2. Step 2: Convert to fraction form
    230,891.12/346,400.40 = 97,701.20/x
  3. Step 3: Cross multiply
    230,891.12x = 346,400.40 × 97,701.20
  4. Step 4: Simplify right side
    230,891.12x = 33,843,734,760.48
  5. Step 5: Solve for x
    x = 33,843,734,760.48/230,891.12
  6. Step 6: Final answer
    x = 146,578.76

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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.