Home / 209,635.52-314,355.84-76,423.04

Finding the Fourth Proportional to 209,635.52, 314,355.84 and 76,423.04

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Solution

The fourth proportional to 209,635.52, 314,355.84 and 76,423.04 is: 114,599.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,635.52 : 314,355.84 = 76,423.04 : x
  2. Step 2: Convert to fraction form
    209,635.52/314,355.84 = 76,423.04/x
  3. Step 3: Cross multiply
    209,635.52x = 314,355.84 × 76,423.04
  4. Step 4: Simplify right side
    209,635.52x = 24,024,028,934.55
  5. Step 5: Solve for x
    x = 24,024,028,934.55/209,635.52
  6. Step 6: Final answer
    x = 114,599.04

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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.