Home / 97,862.82-146,129.12-92,318.76

Finding the Fourth Proportional to 97,862.82, 146,129.12 and 92,318.76

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Solution

The fourth proportional to 97,862.82, 146,129.12 and 92,318.76 is: 137,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,862.82 : 146,129.12 = 92,318.76 : x
  2. Step 2: Convert to fraction form
    97,862.82/146,129.12 = 92,318.76/x
  3. Step 3: Cross multiply
    97,862.82x = 146,129.12 × 92,318.76
  4. Step 4: Simplify right side
    97,862.82x = 13,490,458,696.70
  5. Step 5: Solve for x
    x = 13,490,458,696.70/97,862.82
  6. Step 6: Final answer
    x = 137,850.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.