Home / 183,842.10-275,471.55-121,439.70

Finding the Fourth Proportional to 183,842.10, 275,471.55 and 121,439.70

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Solution

The fourth proportional to 183,842.10, 275,471.55 and 121,439.70 is: 181,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,842.10 : 275,471.55 = 121,439.70 : x
  2. Step 2: Convert to fraction form
    183,842.10/275,471.55 = 121,439.70/x
  3. Step 3: Cross multiply
    183,842.10x = 275,471.55 × 121,439.70
  4. Step 4: Simplify right side
    183,842.10x = 33,453,182,390.54
  5. Step 5: Solve for x
    x = 33,453,182,390.54/183,842.10
  6. Step 6: Final answer
    x = 181,966.93

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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.