Home / 292,211.91-437,965.23-142,227.45

Finding the Fourth Proportional to 292,211.91, 437,965.23 and 142,227.45

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Solution

The fourth proportional to 292,211.91, 437,965.23 and 142,227.45 is: 213,169.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,211.91 : 437,965.23 = 142,227.45 : x
  2. Step 2: Convert to fraction form
    292,211.91/437,965.23 = 142,227.45/x
  3. Step 3: Cross multiply
    292,211.91x = 437,965.23 × 142,227.45
  4. Step 4: Simplify right side
    292,211.91x = 62,290,677,851.56
  5. Step 5: Solve for x
    x = 62,290,677,851.56/292,211.91
  6. Step 6: Final answer
    x = 213,169.54

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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.