Home / 154,495.08-231,766.02-54,656.40

Finding the Fourth Proportional to 154,495.08, 231,766.02 and 54,656.40

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Solution

The fourth proportional to 154,495.08, 231,766.02 and 54,656.40 is: 81,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,495.08 : 231,766.02 = 54,656.40 : x
  2. Step 2: Convert to fraction form
    154,495.08/231,766.02 = 54,656.40/x
  3. Step 3: Cross multiply
    154,495.08x = 231,766.02 × 54,656.40
  4. Step 4: Simplify right side
    154,495.08x = 12,667,496,295.53
  5. Step 5: Solve for x
    x = 12,667,496,295.53/154,495.08
  6. Step 6: Final answer
    x = 81,992.88

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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.