Home / 191,089.28-263,706.46-106,206.54

Finding the Fourth Proportional to 191,089.28, 263,706.46 and 106,206.54

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Solution

The fourth proportional to 191,089.28, 263,706.46 and 106,206.54 is: 146,566.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,089.28 : 263,706.46 = 106,206.54 : x
  2. Step 2: Convert to fraction form
    191,089.28/263,706.46 = 106,206.54/x
  3. Step 3: Cross multiply
    191,089.28x = 263,706.46 × 106,206.54
  4. Step 4: Simplify right side
    191,089.28x = 28,007,350,692.25
  5. Step 5: Solve for x
    x = 28,007,350,692.25/191,089.28
  6. Step 6: Final answer
    x = 146,566.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.