Home / 209,954.27-314,931.24-52,182.72

Finding the Fourth Proportional to 209,954.27, 314,931.24 and 52,182.72

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Solution

The fourth proportional to 209,954.27, 314,931.24 and 52,182.72 is: 78,274.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,954.27 : 314,931.24 = 52,182.72 : x
  2. Step 2: Convert to fraction form
    209,954.27/314,931.24 = 52,182.72/x
  3. Step 3: Cross multiply
    209,954.27x = 314,931.24 × 52,182.72
  4. Step 4: Simplify right side
    209,954.27x = 16,433,968,716.17
  5. Step 5: Solve for x
    x = 16,433,968,716.17/209,954.27
  6. Step 6: Final answer
    x = 78,274.04

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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.