Home / 148,501.80-222,731.10-43,309.80

Finding the Fourth Proportional to 148,501.80, 222,731.10 and 43,309.80

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Solution

The fourth proportional to 148,501.80, 222,731.10 and 43,309.80 is: 64,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,501.80 : 222,731.10 = 43,309.80 : x
  2. Step 2: Convert to fraction form
    148,501.80/222,731.10 = 43,309.80/x
  3. Step 3: Cross multiply
    148,501.80x = 222,731.10 × 43,309.80
  4. Step 4: Simplify right side
    148,501.80x = 9,646,439,394.78
  5. Step 5: Solve for x
    x = 9,646,439,394.78/148,501.80
  6. Step 6: Final answer
    x = 64,958.40

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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.