Home / 189,451.13-261,442.55-104,568.19

Finding the Fourth Proportional to 189,451.13, 261,442.55 and 104,568.19

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Solution

The fourth proportional to 189,451.13, 261,442.55 and 104,568.19 is: 144,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,451.13 : 261,442.55 = 104,568.19 : x
  2. Step 2: Convert to fraction form
    189,451.13/261,442.55 = 104,568.19/x
  3. Step 3: Cross multiply
    189,451.13x = 261,442.55 × 104,568.19
  4. Step 4: Simplify right side
    189,451.13x = 27,338,573,850.30
  5. Step 5: Solve for x
    x = 27,338,573,850.30/189,451.13
  6. Step 6: Final answer
    x = 144,304.10

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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.