Home / 154,564.47-231,879.51-53,371.98

Finding the Fourth Proportional to 154,564.47, 231,879.51 and 53,371.98

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Solution

The fourth proportional to 154,564.47, 231,879.51 and 53,371.98 is: 80,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,564.47 : 231,879.51 = 53,371.98 : x
  2. Step 2: Convert to fraction form
    154,564.47/231,879.51 = 53,371.98/x
  3. Step 3: Cross multiply
    154,564.47x = 231,879.51 × 53,371.98
  4. Step 4: Simplify right side
    154,564.47x = 12,375,868,570.13
  5. Step 5: Solve for x
    x = 12,375,868,570.13/154,564.47
  6. Step 6: Final answer
    x = 80,069.30

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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.