Home / 355,622.20-533,433.30-187,077.40

Finding the Fourth Proportional to 355,622.20, 533,433.30 and 187,077.40

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Solution

The fourth proportional to 355,622.20, 533,433.30 and 187,077.40 is: 280,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,622.20 : 533,433.30 = 187,077.40 : x
  2. Step 2: Convert to fraction form
    355,622.20/533,433.30 = 187,077.40/x
  3. Step 3: Cross multiply
    355,622.20x = 533,433.30 × 187,077.40
  4. Step 4: Simplify right side
    355,622.20x = 99,793,314,837.42
  5. Step 5: Solve for x
    x = 99,793,314,837.42/355,622.20
  6. Step 6: Final answer
    x = 280,616.10

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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.