Home / 152,974.12-229,322.94-54,455.08

Finding the Fourth Proportional to 152,974.12, 229,322.94 and 54,455.08

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Solution

The fourth proportional to 152,974.12, 229,322.94 and 54,455.08 is: 81,633.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,974.12 : 229,322.94 = 54,455.08 : x
  2. Step 2: Convert to fraction form
    152,974.12/229,322.94 = 54,455.08/x
  3. Step 3: Cross multiply
    152,974.12x = 229,322.94 × 54,455.08
  4. Step 4: Simplify right side
    152,974.12x = 12,487,799,043.54
  5. Step 5: Solve for x
    x = 12,487,799,043.54/152,974.12
  6. Step 6: Final answer
    x = 81,633.41

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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.