Home / 152,040.09-209,848.64-88,414.59

Finding the Fourth Proportional to 152,040.09, 209,848.64 and 88,414.59

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Solution

The fourth proportional to 152,040.09, 209,848.64 and 88,414.59 is: 122,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,040.09 : 209,848.64 = 88,414.59 : x
  2. Step 2: Convert to fraction form
    152,040.09/209,848.64 = 88,414.59/x
  3. Step 3: Cross multiply
    152,040.09x = 209,848.64 × 88,414.59
  4. Step 4: Simplify right side
    152,040.09x = 18,553,681,467.66
  5. Step 5: Solve for x
    x = 18,553,681,467.66/152,040.09
  6. Step 6: Final answer
    x = 122,031.51

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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.