Home / 189,502.16-261,490.65-113,025.47

Finding the Fourth Proportional to 189,502.16, 261,490.65 and 113,025.47

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Solution

The fourth proportional to 189,502.16, 261,490.65 and 113,025.47 is: 155,961.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,502.16 : 261,490.65 = 113,025.47 : x
  2. Step 2: Convert to fraction form
    189,502.16/261,490.65 = 113,025.47/x
  3. Step 3: Cross multiply
    189,502.16x = 261,490.65 × 113,025.47
  4. Step 4: Simplify right side
    189,502.16x = 29,555,103,616.86
  5. Step 5: Solve for x
    x = 29,555,103,616.86/189,502.16
  6. Step 6: Final answer
    x = 155,961.83

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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.