Home / 97,724.60-146,586.90-92,281.40

Finding the Fourth Proportional to 97,724.60, 146,586.90 and 92,281.40

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Solution

The fourth proportional to 97,724.60, 146,586.90 and 92,281.40 is: 138,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,724.60 : 146,586.90 = 92,281.40 : x
  2. Step 2: Convert to fraction form
    97,724.60/146,586.90 = 92,281.40/x
  3. Step 3: Cross multiply
    97,724.60x = 146,586.90 × 92,281.40
  4. Step 4: Simplify right side
    97,724.60x = 13,527,244,353.66
  5. Step 5: Solve for x
    x = 13,527,244,353.66/97,724.60
  6. Step 6: Final answer
    x = 138,422.10

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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.