Home / 223,053.03-334,911.78-90,192.78

Finding the Fourth Proportional to 223,053.03, 334,911.78 and 90,192.78

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Solution

The fourth proportional to 223,053.03, 334,911.78 and 90,192.78 is: 135,423.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,053.03 : 334,911.78 = 90,192.78 : x
  2. Step 2: Convert to fraction form
    223,053.03/334,911.78 = 90,192.78/x
  3. Step 3: Cross multiply
    223,053.03x = 334,911.78 × 90,192.78
  4. Step 4: Simplify right side
    223,053.03x = 30,206,624,492.95
  5. Step 5: Solve for x
    x = 30,206,624,492.95/223,053.03
  6. Step 6: Final answer
    x = 135,423.51

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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.