Home / 109,933.30-164,705.55-93,214.90

Finding the Fourth Proportional to 109,933.30, 164,705.55 and 93,214.90

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Solution

The fourth proportional to 109,933.30, 164,705.55 and 93,214.90 is: 139,657.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,933.30 : 164,705.55 = 93,214.90 : x
  2. Step 2: Convert to fraction form
    109,933.30/164,705.55 = 93,214.90/x
  3. Step 3: Cross multiply
    109,933.30x = 164,705.55 × 93,214.90
  4. Step 4: Simplify right side
    109,933.30x = 15,353,011,372.70
  5. Step 5: Solve for x
    x = 15,353,011,372.70/109,933.30
  6. Step 6: Final answer
    x = 139,657.51

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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.