Home / 120,666.20-181,025.32-36,419.32

Finding the Fourth Proportional to 120,666.20, 181,025.32 and 36,419.32

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Solution

The fourth proportional to 120,666.20, 181,025.32 and 36,419.32 is: 54,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,666.20 : 181,025.32 = 36,419.32 : x
  2. Step 2: Convert to fraction form
    120,666.20/181,025.32 = 36,419.32/x
  3. Step 3: Cross multiply
    120,666.20x = 181,025.32 × 36,419.32
  4. Step 4: Simplify right side
    120,666.20x = 6,592,819,057.18
  5. Step 5: Solve for x
    x = 6,592,819,057.18/120,666.20
  6. Step 6: Final answer
    x = 54,636.83

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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.