Home / 413,189.23-570,129.13-231,908.80

Finding the Fourth Proportional to 413,189.23, 570,129.13 and 231,908.80

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Solution

The fourth proportional to 413,189.23, 570,129.13 and 231,908.80 is: 319,993.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,189.23 : 570,129.13 = 231,908.80 : x
  2. Step 2: Convert to fraction form
    413,189.23/570,129.13 = 231,908.80/x
  3. Step 3: Cross multiply
    413,189.23x = 570,129.13 × 231,908.80
  4. Step 4: Simplify right side
    413,189.23x = 132,217,962,383.34
  5. Step 5: Solve for x
    x = 132,217,962,383.34/413,189.23
  6. Step 6: Final answer
    x = 319,993.73

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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.