Home / 131,561.46-197,341.72-47,321.48

Finding the Fourth Proportional to 131,561.46, 197,341.72 and 47,321.48

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Solution

The fourth proportional to 131,561.46, 197,341.72 and 47,321.48 is: 70,982.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,561.46 : 197,341.72 = 47,321.48 : x
  2. Step 2: Convert to fraction form
    131,561.46/197,341.72 = 47,321.48/x
  3. Step 3: Cross multiply
    131,561.46x = 197,341.72 × 47,321.48
  4. Step 4: Simplify right side
    131,561.46x = 9,338,502,256.15
  5. Step 5: Solve for x
    x = 9,338,502,256.15/131,561.46
  6. Step 6: Final answer
    x = 70,982.05

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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.