Home / 148,970.75-223,486.90-49,137.03

Finding the Fourth Proportional to 148,970.75, 223,486.90 and 49,137.03

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Solution

The fourth proportional to 148,970.75, 223,486.90 and 49,137.03 is: 73,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,970.75 : 223,486.90 = 49,137.03 : x
  2. Step 2: Convert to fraction form
    148,970.75/223,486.90 = 49,137.03/x
  3. Step 3: Cross multiply
    148,970.75x = 223,486.90 × 49,137.03
  4. Step 4: Simplify right side
    148,970.75x = 10,981,482,387.06
  5. Step 5: Solve for x
    x = 10,981,482,387.06/148,970.75
  6. Step 6: Final answer
    x = 73,715.70

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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.