Home / 131,020.13-196,528.61-92,392.52

Finding the Fourth Proportional to 131,020.13, 196,528.61 and 92,392.52

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Solution

The fourth proportional to 131,020.13, 196,528.61 and 92,392.52 is: 138,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,020.13 : 196,528.61 = 92,392.52 : x
  2. Step 2: Convert to fraction form
    131,020.13/196,528.61 = 92,392.52/x
  3. Step 3: Cross multiply
    131,020.13x = 196,528.61 × 92,392.52
  4. Step 4: Simplify right side
    131,020.13x = 18,157,772,778.34
  5. Step 5: Solve for x
    x = 18,157,772,778.34/131,020.13
  6. Step 6: Final answer
    x = 138,587.65

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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.