Home / 106,686.02-160,052.85-40,126.72

Finding the Fourth Proportional to 106,686.02, 160,052.85 and 40,126.72

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Solution

The fourth proportional to 106,686.02, 160,052.85 and 40,126.72 is: 60,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,686.02 : 160,052.85 = 40,126.72 : x
  2. Step 2: Convert to fraction form
    106,686.02/160,052.85 = 40,126.72/x
  3. Step 3: Cross multiply
    106,686.02x = 160,052.85 × 40,126.72
  4. Step 4: Simplify right side
    106,686.02x = 6,422,395,497.02
  5. Step 5: Solve for x
    x = 6,422,395,497.02/106,686.02
  6. Step 6: Final answer
    x = 60,199.04

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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.