Home / 106,886.03-160,330.46-31,988.97

Finding the Fourth Proportional to 106,886.03, 160,330.46 and 31,988.97

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Solution

The fourth proportional to 106,886.03, 160,330.46 and 31,988.97 is: 47,983.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,886.03 : 160,330.46 = 31,988.97 : x
  2. Step 2: Convert to fraction form
    106,886.03/160,330.46 = 31,988.97/x
  3. Step 3: Cross multiply
    106,886.03x = 160,330.46 × 31,988.97
  4. Step 4: Simplify right side
    106,886.03x = 5,128,806,115.08
  5. Step 5: Solve for x
    x = 5,128,806,115.08/106,886.03
  6. Step 6: Final answer
    x = 47,983.88

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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.