Home / 152,040.59-209,849.32-88,415.09

Finding the Fourth Proportional to 152,040.59, 209,849.32 and 88,415.09

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Solution

The fourth proportional to 152,040.59, 209,849.32 and 88,415.09 is: 122,032.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,040.59 : 209,849.32 = 88,415.09 : x
  2. Step 2: Convert to fraction form
    152,040.59/209,849.32 = 88,415.09/x
  3. Step 3: Cross multiply
    152,040.59x = 209,849.32 × 88,415.09
  4. Step 4: Simplify right side
    152,040.59x = 18,553,846,514.24
  5. Step 5: Solve for x
    x = 18,553,846,514.24/152,040.59
  6. Step 6: Final answer
    x = 122,032.19

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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.