Home / 153,464.85-230,689.35-109,396.80

Finding the Fourth Proportional to 153,464.85, 230,689.35 and 109,396.80

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Solution

The fourth proportional to 153,464.85, 230,689.35 and 109,396.80 is: 164,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,464.85 : 230,689.35 = 109,396.80 : x
  2. Step 2: Convert to fraction form
    153,464.85/230,689.35 = 109,396.80/x
  3. Step 3: Cross multiply
    153,464.85x = 230,689.35 × 109,396.80
  4. Step 4: Simplify right side
    153,464.85x = 25,236,676,684.08
  5. Step 5: Solve for x
    x = 25,236,676,684.08/153,464.85
  6. Step 6: Final answer
    x = 164,445.97

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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.