Home / 154,391.10-231,652.88-59,687.79

Finding the Fourth Proportional to 154,391.10, 231,652.88 and 59,687.79

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Solution

The fourth proportional to 154,391.10, 231,652.88 and 59,687.79 is: 89,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,391.10 : 231,652.88 = 59,687.79 : x
  2. Step 2: Convert to fraction form
    154,391.10/231,652.88 = 59,687.79/x
  3. Step 3: Cross multiply
    154,391.10x = 231,652.88 × 59,687.79
  4. Step 4: Simplify right side
    154,391.10x = 13,826,849,102.86
  5. Step 5: Solve for x
    x = 13,826,849,102.86/154,391.10
  6. Step 6: Final answer
    x = 89,557.30

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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.