Home / 189,190.16-261,084.19-104,310.26

Finding the Fourth Proportional to 189,190.16, 261,084.19 and 104,310.26

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Solution

The fourth proportional to 189,190.16, 261,084.19 and 104,310.26 is: 143,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,190.16 : 261,084.19 = 104,310.26 : x
  2. Step 2: Convert to fraction form
    189,190.16/261,084.19 = 104,310.26/x
  3. Step 3: Cross multiply
    189,190.16x = 261,084.19 × 104,310.26
  4. Step 4: Simplify right side
    189,190.16x = 27,233,759,740.79
  5. Step 5: Solve for x
    x = 27,233,759,740.79/189,190.16
  6. Step 6: Final answer
    x = 143,949.13

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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.