Home / 130,304.88-179,810.82-73,719.90

Finding the Fourth Proportional to 130,304.88, 179,810.82 and 73,719.90

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Solution

The fourth proportional to 130,304.88, 179,810.82 and 73,719.90 is: 101,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,304.88 : 179,810.82 = 73,719.90 : x
  2. Step 2: Convert to fraction form
    130,304.88/179,810.82 = 73,719.90/x
  3. Step 3: Cross multiply
    130,304.88x = 179,810.82 × 73,719.90
  4. Step 4: Simplify right side
    130,304.88x = 13,255,635,669.32
  5. Step 5: Solve for x
    x = 13,255,635,669.32/130,304.88
  6. Step 6: Final answer
    x = 101,727.85

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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.