Home / 189,436.83-261,404.21-104,548.42

Finding the Fourth Proportional to 189,436.83, 261,404.21 and 104,548.42

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Solution

The fourth proportional to 189,436.83, 261,404.21 and 104,548.42 is: 144,266.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,436.83 : 261,404.21 = 104,548.42 : x
  2. Step 2: Convert to fraction form
    189,436.83/261,404.21 = 104,548.42/x
  3. Step 3: Cross multiply
    189,436.83x = 261,404.21 × 104,548.42
  4. Step 4: Simplify right side
    189,436.83x = 27,329,397,724.97
  5. Step 5: Solve for x
    x = 27,329,397,724.97/189,436.83
  6. Step 6: Final answer
    x = 144,266.55

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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.