Home / 245,726.83-368,589.97-77,261.88

Finding the Fourth Proportional to 245,726.83, 368,589.97 and 77,261.88

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Solution

The fourth proportional to 245,726.83, 368,589.97 and 77,261.88 is: 115,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,726.83 : 368,589.97 = 77,261.88 : x
  2. Step 2: Convert to fraction form
    245,726.83/368,589.97 = 77,261.88/x
  3. Step 3: Cross multiply
    245,726.83x = 368,589.97 × 77,261.88
  4. Step 4: Simplify right side
    245,726.83x = 28,477,954,031.34
  5. Step 5: Solve for x
    x = 28,477,954,031.34/245,726.83
  6. Step 6: Final answer
    x = 115,892.73

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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.