Home / 131,307.48-196,980.66-48,195

Finding the Fourth Proportional to 131,307.48, 196,980.66 and 48,195

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Solution

The fourth proportional to 131,307.48, 196,980.66 and 48,195 is: 72,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,307.48 : 196,980.66 = 48,195 : x
  2. Step 2: Convert to fraction form
    131,307.48/196,980.66 = 48,195/x
  3. Step 3: Cross multiply
    131,307.48x = 196,980.66 × 48,195
  4. Step 4: Simplify right side
    131,307.48x = 9,493,482,908.70
  5. Step 5: Solve for x
    x = 9,493,482,908.70/131,307.48
  6. Step 6: Final answer
    x = 72,299.64

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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.