Home / 148,827.20-223,240.80-38,019.20

Finding the Fourth Proportional to 148,827.20, 223,240.80 and 38,019.20

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Solution

The fourth proportional to 148,827.20, 223,240.80 and 38,019.20 is: 57,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,827.20 : 223,240.80 = 38,019.20 : x
  2. Step 2: Convert to fraction form
    148,827.20/223,240.80 = 38,019.20/x
  3. Step 3: Cross multiply
    148,827.20x = 223,240.80 × 38,019.20
  4. Step 4: Simplify right side
    148,827.20x = 8,487,436,623.36
  5. Step 5: Solve for x
    x = 8,487,436,623.36/148,827.20
  6. Step 6: Final answer
    x = 57,028.80

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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.