Home / 153,131.88-229,722.33-53,320.44

Finding the Fourth Proportional to 153,131.88, 229,722.33 and 53,320.44

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Solution

The fourth proportional to 153,131.88, 229,722.33 and 53,320.44 is: 79,989.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,131.88 : 229,722.33 = 53,320.44 : x
  2. Step 2: Convert to fraction form
    153,131.88/229,722.33 = 53,320.44/x
  3. Step 3: Cross multiply
    153,131.88x = 229,722.33 × 53,320.44
  4. Step 4: Simplify right side
    153,131.88x = 12,248,895,713.43
  5. Step 5: Solve for x
    x = 12,248,895,713.43/153,131.88
  6. Step 6: Final answer
    x = 79,989.19

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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.