Home / 148,845.20-223,267.80-38,037.20

Finding the Fourth Proportional to 148,845.20, 223,267.80 and 38,037.20

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Solution

The fourth proportional to 148,845.20, 223,267.80 and 38,037.20 is: 57,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,845.20 : 223,267.80 = 38,037.20 : x
  2. Step 2: Convert to fraction form
    148,845.20/223,267.80 = 38,037.20/x
  3. Step 3: Cross multiply
    148,845.20x = 223,267.80 × 38,037.20
  4. Step 4: Simplify right side
    148,845.20x = 8,492,481,962.16
  5. Step 5: Solve for x
    x = 8,492,481,962.16/148,845.20
  6. Step 6: Final answer
    x = 57,055.80

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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.