Home / 106,774.39-160,218.69-69,325.66

Finding the Fourth Proportional to 106,774.39, 160,218.69 and 69,325.66

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Solution

The fourth proportional to 106,774.39, 160,218.69 and 69,325.66 is: 104,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,774.39 : 160,218.69 = 69,325.66 : x
  2. Step 2: Convert to fraction form
    106,774.39/160,218.69 = 69,325.66/x
  3. Step 3: Cross multiply
    106,774.39x = 160,218.69 × 69,325.66
  4. Step 4: Simplify right side
    106,774.39x = 11,107,266,428.59
  5. Step 5: Solve for x
    x = 11,107,266,428.59/106,774.39
  6. Step 6: Final answer
    x = 104,025.57

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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.