Home / 131,876.72-197,834.52-38,370.32

Finding the Fourth Proportional to 131,876.72, 197,834.52 and 38,370.32

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Solution

The fourth proportional to 131,876.72, 197,834.52 and 38,370.32 is: 57,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,876.72 : 197,834.52 = 38,370.32 : x
  2. Step 2: Convert to fraction form
    131,876.72/197,834.52 = 38,370.32/x
  3. Step 3: Cross multiply
    131,876.72x = 197,834.52 × 38,370.32
  4. Step 4: Simplify right side
    131,876.72x = 7,590,973,839.45
  5. Step 5: Solve for x
    x = 7,590,973,839.45/131,876.72
  6. Step 6: Final answer
    x = 57,561.14

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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.