Home / 189,578.48-261,616.20-104,693.84

Finding the Fourth Proportional to 189,578.48, 261,616.20 and 104,693.84

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Solution

The fourth proportional to 189,578.48, 261,616.20 and 104,693.84 is: 144,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,578.48 : 261,616.20 = 104,693.84 : x
  2. Step 2: Convert to fraction form
    189,578.48/261,616.20 = 104,693.84/x
  3. Step 3: Cross multiply
    189,578.48x = 261,616.20 × 104,693.84
  4. Step 4: Simplify right side
    189,578.48x = 27,389,604,584.21
  5. Step 5: Solve for x
    x = 27,389,604,584.21/189,578.48
  6. Step 6: Final answer
    x = 144,476.34

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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.