Home / 130,261.61-179,794.82-73,705.79

Finding the Fourth Proportional to 130,261.61, 179,794.82 and 73,705.79

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Solution

The fourth proportional to 130,261.61, 179,794.82 and 73,705.79 is: 101,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,261.61 : 179,794.82 = 73,705.79 : x
  2. Step 2: Convert to fraction form
    130,261.61/179,794.82 = 73,705.79/x
  3. Step 3: Cross multiply
    130,261.61x = 179,794.82 × 73,705.79
  4. Step 4: Simplify right side
    130,261.61x = 13,251,919,246.01
  5. Step 5: Solve for x
    x = 13,251,919,246.01/130,261.61
  6. Step 6: Final answer
    x = 101,733.11

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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.