Home / 347,345.20-479,430.66-204,151.24

Finding the Fourth Proportional to 347,345.20, 479,430.66 and 204,151.24

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Solution

The fourth proportional to 347,345.20, 479,430.66 and 204,151.24 is: 281,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,345.20 : 479,430.66 = 204,151.24 : x
  2. Step 2: Convert to fraction form
    347,345.20/479,430.66 = 204,151.24/x
  3. Step 3: Cross multiply
    347,345.20x = 479,430.66 × 204,151.24
  4. Step 4: Simplify right side
    347,345.20x = 97,876,363,733.02
  5. Step 5: Solve for x
    x = 97,876,363,733.02/347,345.20
  6. Step 6: Final answer
    x = 281,784.13

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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.