Home / 106,872.32-160,256.70-43,667.35

Finding the Fourth Proportional to 106,872.32, 160,256.70 and 43,667.35

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Solution

The fourth proportional to 106,872.32, 160,256.70 and 43,667.35 is: 65,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,872.32 : 160,256.70 = 43,667.35 : x
  2. Step 2: Convert to fraction form
    106,872.32/160,256.70 = 43,667.35/x
  3. Step 3: Cross multiply
    106,872.32x = 160,256.70 × 43,667.35
  4. Step 4: Simplify right side
    106,872.32x = 6,997,985,008.10
  5. Step 5: Solve for x
    x = 6,997,985,008.10/106,872.32
  6. Step 6: Final answer
    x = 65,479.86

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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.