Home / 154,269.09-231,404.22-54,374.76

Finding the Fourth Proportional to 154,269.09, 231,404.22 and 54,374.76

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Solution

The fourth proportional to 154,269.09, 231,404.22 and 54,374.76 is: 81,562.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,269.09 : 231,404.22 = 54,374.76 : x
  2. Step 2: Convert to fraction form
    154,269.09/231,404.22 = 54,374.76/x
  3. Step 3: Cross multiply
    154,269.09x = 231,404.22 × 54,374.76
  4. Step 4: Simplify right side
    154,269.09x = 12,582,548,925.49
  5. Step 5: Solve for x
    x = 12,582,548,925.49/154,269.09
  6. Step 6: Final answer
    x = 81,562.35

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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.