Home / 347,934.24-521,979.12-111,291.12

Finding the Fourth Proportional to 347,934.24, 521,979.12 and 111,291.12

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Solution

The fourth proportional to 347,934.24, 521,979.12 and 111,291.12 is: 166,961.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,934.24 : 521,979.12 = 111,291.12 : x
  2. Step 2: Convert to fraction form
    347,934.24/521,979.12 = 111,291.12/x
  3. Step 3: Cross multiply
    347,934.24x = 521,979.12 × 111,291.12
  4. Step 4: Simplify right side
    347,934.24x = 58,091,640,881.41
  5. Step 5: Solve for x
    x = 58,091,640,881.41/347,934.24
  6. Step 6: Final answer
    x = 166,961.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.