Home / 353,154.20-529,731.30-187,266.20

Finding the Fourth Proportional to 353,154.20, 529,731.30 and 187,266.20

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Solution

The fourth proportional to 353,154.20, 529,731.30 and 187,266.20 is: 280,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,154.20 : 529,731.30 = 187,266.20 : x
  2. Step 2: Convert to fraction form
    353,154.20/529,731.30 = 187,266.20/x
  3. Step 3: Cross multiply
    353,154.20x = 529,731.30 × 187,266.20
  4. Step 4: Simplify right side
    353,154.20x = 99,200,767,572.06
  5. Step 5: Solve for x
    x = 99,200,767,572.06/353,154.20
  6. Step 6: Final answer
    x = 280,899.30

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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.