Home / 217,317.28-325,898.16-117,551.20

Finding the Fourth Proportional to 217,317.28, 325,898.16 and 117,551.20

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Solution

The fourth proportional to 217,317.28, 325,898.16 and 117,551.20 is: 176,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,317.28 : 325,898.16 = 117,551.20 : x
  2. Step 2: Convert to fraction form
    217,317.28/325,898.16 = 117,551.20/x
  3. Step 3: Cross multiply
    217,317.28x = 325,898.16 × 117,551.20
  4. Step 4: Simplify right side
    217,317.28x = 38,309,719,785.79
  5. Step 5: Solve for x
    x = 38,309,719,785.79/217,317.28
  6. Step 6: Final answer
    x = 176,284.74

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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.