Home / 352,972.16-487,105.32-191,827.20

Finding the Fourth Proportional to 352,972.16, 487,105.32 and 191,827.20

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Solution

The fourth proportional to 352,972.16, 487,105.32 and 191,827.20 is: 264,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,972.16 : 487,105.32 = 191,827.20 : x
  2. Step 2: Convert to fraction form
    352,972.16/487,105.32 = 191,827.20/x
  3. Step 3: Cross multiply
    352,972.16x = 487,105.32 × 191,827.20
  4. Step 4: Simplify right side
    352,972.16x = 93,440,049,640.70
  5. Step 5: Solve for x
    x = 93,440,049,640.70/352,972.16
  6. Step 6: Final answer
    x = 264,723.57

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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.