Home / 292,865.08-439,175.92-143,061.88

Finding the Fourth Proportional to 292,865.08, 439,175.92 and 143,061.88

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Solution

The fourth proportional to 292,865.08, 439,175.92 and 143,061.88 is: 214,533.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,865.08 : 439,175.92 = 143,061.88 : x
  2. Step 2: Convert to fraction form
    292,865.08/439,175.92 = 143,061.88/x
  3. Step 3: Cross multiply
    292,865.08x = 439,175.92 × 143,061.88
  4. Step 4: Simplify right side
    292,865.08x = 62,829,332,765.93
  5. Step 5: Solve for x
    x = 62,829,332,765.93/292,865.08
  6. Step 6: Final answer
    x = 214,533.37

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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.