Home / 189,713.53-261,794.39-104,825.13

Finding the Fourth Proportional to 189,713.53, 261,794.39 and 104,825.13

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Solution

The fourth proportional to 189,713.53, 261,794.39 and 104,825.13 is: 144,653.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,713.53 : 261,794.39 = 104,825.13 : x
  2. Step 2: Convert to fraction form
    189,713.53/261,794.39 = 104,825.13/x
  3. Step 3: Cross multiply
    189,713.53x = 261,794.39 × 104,825.13
  4. Step 4: Simplify right side
    189,713.53x = 27,442,630,965.02
  5. Step 5: Solve for x
    x = 27,442,630,965.02/189,713.53
  6. Step 6: Final answer
    x = 144,653.00

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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.