Home / 106,988.22-160,484.14-40,459.86

Finding the Fourth Proportional to 106,988.22, 160,484.14 and 40,459.86

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Solution

The fourth proportional to 106,988.22, 160,484.14 and 40,459.86 is: 60,690.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,988.22 : 160,484.14 = 40,459.86 : x
  2. Step 2: Convert to fraction form
    106,988.22/160,484.14 = 40,459.86/x
  3. Step 3: Cross multiply
    106,988.22x = 160,484.14 × 40,459.86
  4. Step 4: Simplify right side
    106,988.22x = 6,493,165,836.62
  5. Step 5: Solve for x
    x = 6,493,165,836.62/106,988.22
  6. Step 6: Final answer
    x = 60,690.47

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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.