Home / 153,234.20-211,462.62-89,559.38

Finding the Fourth Proportional to 153,234.20, 211,462.62 and 89,559.38

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Solution

The fourth proportional to 153,234.20, 211,462.62 and 89,559.38 is: 123,591.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,234.20 : 211,462.62 = 89,559.38 : x
  2. Step 2: Convert to fraction form
    153,234.20/211,462.62 = 89,559.38/x
  3. Step 3: Cross multiply
    153,234.20x = 211,462.62 × 89,559.38
  4. Step 4: Simplify right side
    153,234.20x = 18,938,461,140.38
  5. Step 5: Solve for x
    x = 18,938,461,140.38/153,234.20
  6. Step 6: Final answer
    x = 123,591.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.