Home / 154,151.10-231,343.52-65,466.90

Finding the Fourth Proportional to 154,151.10, 231,343.52 and 65,466.90

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Solution

The fourth proportional to 154,151.10, 231,343.52 and 65,466.90 is: 98,249.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,151.10 : 231,343.52 = 65,466.90 : x
  2. Step 2: Convert to fraction form
    154,151.10/231,343.52 = 65,466.90/x
  3. Step 3: Cross multiply
    154,151.10x = 231,343.52 × 65,466.90
  4. Step 4: Simplify right side
    154,151.10x = 15,145,342,762.15
  5. Step 5: Solve for x
    x = 15,145,342,762.15/154,151.10
  6. Step 6: Final answer
    x = 98,249.98

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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.