Home / 148,931.80-223,376.10-43,739.80

Finding the Fourth Proportional to 148,931.80, 223,376.10 and 43,739.80

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Solution

The fourth proportional to 148,931.80, 223,376.10 and 43,739.80 is: 65,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,931.80 : 223,376.10 = 43,739.80 : x
  2. Step 2: Convert to fraction form
    148,931.80/223,376.10 = 43,739.80/x
  3. Step 3: Cross multiply
    148,931.80x = 223,376.10 × 43,739.80
  4. Step 4: Simplify right side
    148,931.80x = 9,770,425,938.78
  5. Step 5: Solve for x
    x = 9,770,425,938.78/148,931.80
  6. Step 6: Final answer
    x = 65,603.36

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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.