Home / 154,033.60-231,074.70-48,863.20

Finding the Fourth Proportional to 154,033.60, 231,074.70 and 48,863.20

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Solution

The fourth proportional to 154,033.60, 231,074.70 and 48,863.20 is: 73,302.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,033.60 : 231,074.70 = 48,863.20 : x
  2. Step 2: Convert to fraction form
    154,033.60/231,074.70 = 48,863.20/x
  3. Step 3: Cross multiply
    154,033.60x = 231,074.70 × 48,863.20
  4. Step 4: Simplify right side
    154,033.60x = 11,291,049,281.04
  5. Step 5: Solve for x
    x = 11,291,049,281.04/154,033.60
  6. Step 6: Final answer
    x = 73,302.51

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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.