Home / 131,341.15-196,951.78-47,068.75

Finding the Fourth Proportional to 131,341.15, 196,951.78 and 47,068.75

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Solution

The fourth proportional to 131,341.15, 196,951.78 and 47,068.75 is: 70,581.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,341.15 : 196,951.78 = 47,068.75 : x
  2. Step 2: Convert to fraction form
    131,341.15/196,951.78 = 47,068.75/x
  3. Step 3: Cross multiply
    131,341.15x = 196,951.78 × 47,068.75
  4. Step 4: Simplify right side
    131,341.15x = 9,270,274,094.88
  5. Step 5: Solve for x
    x = 9,270,274,094.88/131,341.15
  6. Step 6: Final answer
    x = 70,581.64

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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.