Home / 352,455.30-486,383.13-191,306.16

Finding the Fourth Proportional to 352,455.30, 486,383.13 and 191,306.16

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Solution

The fourth proportional to 352,455.30, 486,383.13 and 191,306.16 is: 263,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,455.30 : 486,383.13 = 191,306.16 : x
  2. Step 2: Convert to fraction form
    352,455.30/486,383.13 = 191,306.16/x
  3. Step 3: Cross multiply
    352,455.30x = 486,383.13 × 191,306.16
  4. Step 4: Simplify right side
    352,455.30x = 93,048,088,889.08
  5. Step 5: Solve for x
    x = 93,048,088,889.08/352,455.30
  6. Step 6: Final answer
    x = 263,999.69

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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.