Home / 352,979.06-487,114.20-191,834.21

Finding the Fourth Proportional to 352,979.06, 487,114.20 and 191,834.21

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Solution

The fourth proportional to 352,979.06, 487,114.20 and 191,834.21 is: 264,732.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,979.06 : 487,114.20 = 191,834.21 : x
  2. Step 2: Convert to fraction form
    352,979.06/487,114.20 = 191,834.21/x
  3. Step 3: Cross multiply
    352,979.06x = 487,114.20 × 191,834.21
  4. Step 4: Simplify right side
    352,979.06x = 93,445,167,736.78
  5. Step 5: Solve for x
    x = 93,445,167,736.78/352,979.06
  6. Step 6: Final answer
    x = 264,732.89

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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.