Home / 80,611.56-119,902.46-80,341.83

Finding the Fourth Proportional to 80,611.56, 119,902.46 and 80,341.83

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Solution

The fourth proportional to 80,611.56, 119,902.46 and 80,341.83 is: 119,501.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,611.56 : 119,902.46 = 80,341.83 : x
  2. Step 2: Convert to fraction form
    80,611.56/119,902.46 = 80,341.83/x
  3. Step 3: Cross multiply
    80,611.56x = 119,902.46 × 80,341.83
  4. Step 4: Simplify right side
    80,611.56x = 9,633,182,656.19
  5. Step 5: Solve for x
    x = 9,633,182,656.19/80,611.56
  6. Step 6: Final answer
    x = 119,501.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.