Home / 183,837.60-275,464.80-121,435.20

Finding the Fourth Proportional to 183,837.60, 275,464.80 and 121,435.20

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Solution

The fourth proportional to 183,837.60, 275,464.80 and 121,435.20 is: 181,960.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,837.60 : 275,464.80 = 121,435.20 : x
  2. Step 2: Convert to fraction form
    183,837.60/275,464.80 = 121,435.20/x
  3. Step 3: Cross multiply
    183,837.60x = 275,464.80 × 121,435.20
  4. Step 4: Simplify right side
    183,837.60x = 33,451,123,080.96
  5. Step 5: Solve for x
    x = 33,451,123,080.96/183,837.60
  6. Step 6: Final answer
    x = 181,960.18

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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.