Home / 189,760.16-284,246.56-110,634.40

Finding the Fourth Proportional to 189,760.16, 284,246.56 and 110,634.40

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Solution

The fourth proportional to 189,760.16, 284,246.56 and 110,634.40 is: 165,722.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,760.16 : 284,246.56 = 110,634.40 : x
  2. Step 2: Convert to fraction form
    189,760.16/284,246.56 = 110,634.40/x
  3. Step 3: Cross multiply
    189,760.16x = 284,246.56 × 110,634.40
  4. Step 4: Simplify right side
    189,760.16x = 31,447,447,617.66
  5. Step 5: Solve for x
    x = 31,447,447,617.66/189,760.16
  6. Step 6: Final answer
    x = 165,722.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.