Home / 130,257.13-179,754.83-73,667.29

Finding the Fourth Proportional to 130,257.13, 179,754.83 and 73,667.29

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Solution

The fourth proportional to 130,257.13, 179,754.83 and 73,667.29 is: 101,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,257.13 : 179,754.83 = 73,667.29 : x
  2. Step 2: Convert to fraction form
    130,257.13/179,754.83 = 73,667.29/x
  3. Step 3: Cross multiply
    130,257.13x = 179,754.83 × 73,667.29
  4. Step 4: Simplify right side
    130,257.13x = 13,242,050,475.90
  5. Step 5: Solve for x
    x = 13,242,050,475.90/130,257.13
  6. Step 6: Final answer
    x = 101,660.85

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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.