Home / 193,250.60-289,904.70-68,581.16

Finding the Fourth Proportional to 193,250.60, 289,904.70 and 68,581.16

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Solution

The fourth proportional to 193,250.60, 289,904.70 and 68,581.16 is: 102,881.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,250.60 : 289,904.70 = 68,581.16 : x
  2. Step 2: Convert to fraction form
    193,250.60/289,904.70 = 68,581.16/x
  3. Step 3: Cross multiply
    193,250.60x = 289,904.70 × 68,581.16
  4. Step 4: Simplify right side
    193,250.60x = 19,882,000,615.45
  5. Step 5: Solve for x
    x = 19,882,000,615.45/193,250.60
  6. Step 6: Final answer
    x = 102,881.96

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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.