Home / 131,749.48-197,621.52-52,881.40

Finding the Fourth Proportional to 131,749.48, 197,621.52 and 52,881.40

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Solution

The fourth proportional to 131,749.48, 197,621.52 and 52,881.40 is: 79,321.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,749.48 : 197,621.52 = 52,881.40 : x
  2. Step 2: Convert to fraction form
    131,749.48/197,621.52 = 52,881.40/x
  3. Step 3: Cross multiply
    131,749.48x = 197,621.52 × 52,881.40
  4. Step 4: Simplify right side
    131,749.48x = 10,450,502,647.73
  5. Step 5: Solve for x
    x = 10,450,502,647.73/131,749.48
  6. Step 6: Final answer
    x = 79,321.02

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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.