Home / 101,492.11-152,196.55-30,389.70

Finding the Fourth Proportional to 101,492.11, 152,196.55 and 30,389.70

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Solution

The fourth proportional to 101,492.11, 152,196.55 and 30,389.70 is: 45,572.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,492.11 : 152,196.55 = 30,389.70 : x
  2. Step 2: Convert to fraction form
    101,492.11/152,196.55 = 30,389.70/x
  3. Step 3: Cross multiply
    101,492.11x = 152,196.55 × 30,389.70
  4. Step 4: Simplify right side
    101,492.11x = 4,625,207,990.30
  5. Step 5: Solve for x
    x = 4,625,207,990.30/101,492.11
  6. Step 6: Final answer
    x = 45,572.09

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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.