Home / 189,734.16-261,860.94-114,281.04

Finding the Fourth Proportional to 189,734.16, 261,860.94 and 114,281.04

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Solution

The fourth proportional to 189,734.16, 261,860.94 and 114,281.04 is: 157,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,734.16 : 261,860.94 = 114,281.04 : x
  2. Step 2: Convert to fraction form
    189,734.16/261,860.94 = 114,281.04/x
  3. Step 3: Cross multiply
    189,734.16x = 261,860.94 × 114,281.04
  4. Step 4: Simplify right side
    189,734.16x = 29,925,740,558.58
  5. Step 5: Solve for x
    x = 29,925,740,558.58/189,734.16
  6. Step 6: Final answer
    x = 157,724.58

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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.