Home / 154,564.26-231,466.20-75,423.30

Finding the Fourth Proportional to 154,564.26, 231,466.20 and 75,423.30

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Solution

The fourth proportional to 154,564.26, 231,466.20 and 75,423.30 is: 112,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,564.26 : 231,466.20 = 75,423.30 : x
  2. Step 2: Convert to fraction form
    154,564.26/231,466.20 = 75,423.30/x
  3. Step 3: Cross multiply
    154,564.26x = 231,466.20 × 75,423.30
  4. Step 4: Simplify right side
    154,564.26x = 17,457,944,642.46
  5. Step 5: Solve for x
    x = 17,457,944,642.46/154,564.26
  6. Step 6: Final answer
    x = 112,949.43

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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.