Home / 97,902.30-146,853.45-91,292.70

Finding the Fourth Proportional to 97,902.30, 146,853.45 and 91,292.70

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Solution

The fourth proportional to 97,902.30, 146,853.45 and 91,292.70 is: 136,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,902.30 : 146,853.45 = 91,292.70 : x
  2. Step 2: Convert to fraction form
    97,902.30/146,853.45 = 91,292.70/x
  3. Step 3: Cross multiply
    97,902.30x = 146,853.45 × 91,292.70
  4. Step 4: Simplify right side
    97,902.30x = 13,406,647,954.82
  5. Step 5: Solve for x
    x = 13,406,647,954.82/97,902.30
  6. Step 6: Final answer
    x = 136,939.05

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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.