Home / 130,217.40-195,326.16-47,091.96

Finding the Fourth Proportional to 130,217.40, 195,326.16 and 47,091.96

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Solution

The fourth proportional to 130,217.40, 195,326.16 and 47,091.96 is: 70,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,217.40 : 195,326.16 = 47,091.96 : x
  2. Step 2: Convert to fraction form
    130,217.40/195,326.16 = 47,091.96/x
  3. Step 3: Cross multiply
    130,217.40x = 195,326.16 × 47,091.96
  4. Step 4: Simplify right side
    130,217.40x = 9,198,291,713.67
  5. Step 5: Solve for x
    x = 9,198,291,713.67/130,217.40
  6. Step 6: Final answer
    x = 70,637.96

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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.