Home / 172,585.20-258,877.60-54,266.88

Finding the Fourth Proportional to 172,585.20, 258,877.60 and 54,266.88

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Solution

The fourth proportional to 172,585.20, 258,877.60 and 54,266.88 is: 81,400.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,585.20 : 258,877.60 = 54,266.88 : x
  2. Step 2: Convert to fraction form
    172,585.20/258,877.60 = 54,266.88/x
  3. Step 3: Cross multiply
    172,585.20x = 258,877.60 × 54,266.88
  4. Step 4: Simplify right side
    172,585.20x = 14,048,479,653.89
  5. Step 5: Solve for x
    x = 14,048,479,653.89/172,585.20
  6. Step 6: Final answer
    x = 81,400.26

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1.5x scale

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.