Home / 159,550.81-220,170.23-87,926.83

Finding the Fourth Proportional to 159,550.81, 220,170.23 and 87,926.83

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Solution

The fourth proportional to 159,550.81, 220,170.23 and 87,926.83 is: 121,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,550.81 : 220,170.23 = 87,926.83 : x
  2. Step 2: Convert to fraction form
    159,550.81/220,170.23 = 87,926.83/x
  3. Step 3: Cross multiply
    159,550.81x = 220,170.23 × 87,926.83
  4. Step 4: Simplify right side
    159,550.81x = 19,358,869,944.64
  5. Step 5: Solve for x
    x = 19,358,869,944.64/159,550.81
  6. Step 6: Final answer
    x = 121,333.57

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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.