Home / 106,895.64-160,204.68-43,641.72

Finding the Fourth Proportional to 106,895.64, 160,204.68 and 43,641.72

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Solution

The fourth proportional to 106,895.64, 160,204.68 and 43,641.72 is: 65,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,895.64 : 160,204.68 = 43,641.72 : x
  2. Step 2: Convert to fraction form
    106,895.64/160,204.68 = 43,641.72/x
  3. Step 3: Cross multiply
    106,895.64x = 160,204.68 × 43,641.72
  4. Step 4: Simplify right side
    106,895.64x = 6,991,607,787.25
  5. Step 5: Solve for x
    x = 6,991,607,787.25/106,895.64
  6. Step 6: Final answer
    x = 65,405.92

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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.