Home / 148,839.40-223,259.10-55,325.80

Finding the Fourth Proportional to 148,839.40, 223,259.10 and 55,325.80

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Solution

The fourth proportional to 148,839.40, 223,259.10 and 55,325.80 is: 82,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,839.40 : 223,259.10 = 55,325.80 : x
  2. Step 2: Convert to fraction form
    148,839.40/223,259.10 = 55,325.80/x
  3. Step 3: Cross multiply
    148,839.40x = 223,259.10 × 55,325.80
  4. Step 4: Simplify right side
    148,839.40x = 12,351,988,314.78
  5. Step 5: Solve for x
    x = 12,351,988,314.78/148,839.40
  6. Step 6: Final answer
    x = 82,988.70

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1.5x scale

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.