Home / 109,325.67-164,001.64-103,346.96

Finding the Fourth Proportional to 109,325.67, 164,001.64 and 103,346.96

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Solution

The fourth proportional to 109,325.67, 164,001.64 and 103,346.96 is: 155,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,325.67 : 164,001.64 = 103,346.96 : x
  2. Step 2: Convert to fraction form
    109,325.67/164,001.64 = 103,346.96/x
  3. Step 3: Cross multiply
    109,325.67x = 164,001.64 × 103,346.96
  4. Step 4: Simplify right side
    109,325.67x = 16,949,069,850.64
  5. Step 5: Solve for x
    x = 16,949,069,850.64/109,325.67
  6. Step 6: Final answer
    x = 155,032.85

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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.