Home / 135,692.13-203,510.52-51,423.27

Finding the Fourth Proportional to 135,692.13, 203,510.52 and 51,423.27

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Solution

The fourth proportional to 135,692.13, 203,510.52 and 51,423.27 is: 77,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,692.13 : 203,510.52 = 51,423.27 : x
  2. Step 2: Convert to fraction form
    135,692.13/203,510.52 = 51,423.27/x
  3. Step 3: Cross multiply
    135,692.13x = 203,510.52 × 51,423.27
  4. Step 4: Simplify right side
    135,692.13x = 10,465,176,417.80
  5. Step 5: Solve for x
    x = 10,465,176,417.80/135,692.13
  6. Step 6: Final answer
    x = 77,124.42

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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.