Home / 154,531.80-231,823.87-53,302.37

Finding the Fourth Proportional to 154,531.80, 231,823.87 and 53,302.37

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Solution

The fourth proportional to 154,531.80, 231,823.87 and 53,302.37 is: 79,962.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,531.80 : 231,823.87 = 53,302.37 : x
  2. Step 2: Convert to fraction form
    154,531.80/231,823.87 = 53,302.37/x
  3. Step 3: Cross multiply
    154,531.80x = 231,823.87 × 53,302.37
  4. Step 4: Simplify right side
    154,531.80x = 12,356,760,401.20
  5. Step 5: Solve for x
    x = 12,356,760,401.20/154,531.80
  6. Step 6: Final answer
    x = 79,962.57

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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.