Home / 120,944.34-181,329.81-56,866.62

Finding the Fourth Proportional to 120,944.34, 181,329.81 and 56,866.62

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Solution

The fourth proportional to 120,944.34, 181,329.81 and 56,866.62 is: 85,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,944.34 : 181,329.81 = 56,866.62 : x
  2. Step 2: Convert to fraction form
    120,944.34/181,329.81 = 56,866.62/x
  3. Step 3: Cross multiply
    120,944.34x = 181,329.81 × 56,866.62
  4. Step 4: Simplify right side
    120,944.34x = 10,311,613,399.94
  5. Step 5: Solve for x
    x = 10,311,613,399.94/120,944.34
  6. Step 6: Final answer
    x = 85,259.16

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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.