Home / 148,933.80-223,323.90-55,391.40

Finding the Fourth Proportional to 148,933.80, 223,323.90 and 55,391.40

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Solution

The fourth proportional to 148,933.80, 223,323.90 and 55,391.40 is: 83,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,933.80 : 223,323.90 = 55,391.40 : x
  2. Step 2: Convert to fraction form
    148,933.80/223,323.90 = 55,391.40/x
  3. Step 3: Cross multiply
    148,933.80x = 223,323.90 × 55,391.40
  4. Step 4: Simplify right side
    148,933.80x = 12,370,223,474.46
  5. Step 5: Solve for x
    x = 12,370,223,474.46/148,933.80
  6. Step 6: Final answer
    x = 83,058.54

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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.