Home / 222,013.02-306,274.09-145,511.76

Finding the Fourth Proportional to 222,013.02, 306,274.09 and 145,511.76

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Solution

The fourth proportional to 222,013.02, 306,274.09 and 145,511.76 is: 200,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,013.02 : 306,274.09 = 145,511.76 : x
  2. Step 2: Convert to fraction form
    222,013.02/306,274.09 = 145,511.76/x
  3. Step 3: Cross multiply
    222,013.02x = 306,274.09 × 145,511.76
  4. Step 4: Simplify right side
    222,013.02x = 44,566,481,878.30
  5. Step 5: Solve for x
    x = 44,566,481,878.30/222,013.02
  6. Step 6: Final answer
    x = 200,738.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.