Home / 314,867.20-472,446.60-165,276.40

Finding the Fourth Proportional to 314,867.20, 472,446.60 and 165,276.40

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Solution

The fourth proportional to 314,867.20, 472,446.60 and 165,276.40 is: 247,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,867.20 : 472,446.60 = 165,276.40 : x
  2. Step 2: Convert to fraction form
    314,867.20/472,446.60 = 165,276.40/x
  3. Step 3: Cross multiply
    314,867.20x = 472,446.60 × 165,276.40
  4. Step 4: Simplify right side
    314,867.20x = 78,084,273,240.24
  5. Step 5: Solve for x
    x = 78,084,273,240.24/314,867.20
  6. Step 6: Final answer
    x = 247,991.13

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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.