Home / 349,218.56-523,661.88-159,623.36

Finding the Fourth Proportional to 349,218.56, 523,661.88 and 159,623.36

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Solution

The fourth proportional to 349,218.56, 523,661.88 and 159,623.36 is: 239,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,218.56 : 523,661.88 = 159,623.36 : x
  2. Step 2: Convert to fraction form
    349,218.56/523,661.88 = 159,623.36/x
  3. Step 3: Cross multiply
    349,218.56x = 523,661.88 × 159,623.36
  4. Step 4: Simplify right side
    349,218.56x = 83,588,668,789.52
  5. Step 5: Solve for x
    x = 83,588,668,789.52/349,218.56
  6. Step 6: Final answer
    x = 239,359.18

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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.