Home / 189,735.16-261,862.32-114,282.04

Finding the Fourth Proportional to 189,735.16, 261,862.32 and 114,282.04

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Solution

The fourth proportional to 189,735.16, 261,862.32 and 114,282.04 is: 157,725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,735.16 : 261,862.32 = 114,282.04 : x
  2. Step 2: Convert to fraction form
    189,735.16/261,862.32 = 114,282.04/x
  3. Step 3: Cross multiply
    189,735.16x = 261,862.32 × 114,282.04
  4. Step 4: Simplify right side
    189,735.16x = 29,926,160,128.73
  5. Step 5: Solve for x
    x = 29,926,160,128.73/189,735.16
  6. Step 6: Final answer
    x = 157,725.96

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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.