Home / 130,765.22-196,223.51-54,856.96

Finding the Fourth Proportional to 130,765.22, 196,223.51 and 54,856.96

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Solution

The fourth proportional to 130,765.22, 196,223.51 and 54,856.96 is: 82,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,765.22 : 196,223.51 = 54,856.96 : x
  2. Step 2: Convert to fraction form
    130,765.22/196,223.51 = 54,856.96/x
  3. Step 3: Cross multiply
    130,765.22x = 196,223.51 × 54,856.96
  4. Step 4: Simplify right side
    130,765.22x = 10,764,225,239.13
  5. Step 5: Solve for x
    x = 10,764,225,239.13/130,765.22
  6. Step 6: Final answer
    x = 82,317.19

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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.