Home / 207,748.99-311,792.37-117,848.71

Finding the Fourth Proportional to 207,748.99, 311,792.37 and 117,848.71

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Solution

The fourth proportional to 207,748.99, 311,792.37 and 117,848.71 is: 176,868.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,748.99 : 311,792.37 = 117,848.71 : x
  2. Step 2: Convert to fraction form
    207,748.99/311,792.37 = 117,848.71/x
  3. Step 3: Cross multiply
    207,748.99x = 311,792.37 × 117,848.71
  4. Step 4: Simplify right side
    207,748.99x = 36,744,328,592.34
  5. Step 5: Solve for x
    x = 36,744,328,592.34/207,748.99
  6. Step 6: Final answer
    x = 176,868.87

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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.