Home / 423,827.44-635,501.52-139,441.03

Finding the Fourth Proportional to 423,827.44, 635,501.52 and 139,441.03

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Solution

The fourth proportional to 423,827.44, 635,501.52 and 139,441.03 is: 209,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,827.44 : 635,501.52 = 139,441.03 : x
  2. Step 2: Convert to fraction form
    423,827.44/635,501.52 = 139,441.03/x
  3. Step 3: Cross multiply
    423,827.44x = 635,501.52 × 139,441.03
  4. Step 4: Simplify right side
    423,827.44x = 88,614,986,515.37
  5. Step 5: Solve for x
    x = 88,614,986,515.37/423,827.44
  6. Step 6: Final answer
    x = 209,082.70

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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.