Home / 352,951.20-487,326.24-217,167.12

Finding the Fourth Proportional to 352,951.20, 487,326.24 and 217,167.12

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Solution

The fourth proportional to 352,951.20, 487,326.24 and 217,167.12 is: 299,846.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,951.20 : 487,326.24 = 217,167.12 : x
  2. Step 2: Convert to fraction form
    352,951.20/487,326.24 = 217,167.12/x
  3. Step 3: Cross multiply
    352,951.20x = 487,326.24 × 217,167.12
  4. Step 4: Simplify right side
    352,951.20x = 105,831,236,041.23
  5. Step 5: Solve for x
    x = 105,831,236,041.23/352,951.20
  6. Step 6: Final answer
    x = 299,846.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.