Home / 355,624.20-533,436.30-187,079.40

Finding the Fourth Proportional to 355,624.20, 533,436.30 and 187,079.40

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Solution

The fourth proportional to 355,624.20, 533,436.30 and 187,079.40 is: 280,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,624.20 : 533,436.30 = 187,079.40 : x
  2. Step 2: Convert to fraction form
    355,624.20/533,436.30 = 187,079.40/x
  3. Step 3: Cross multiply
    355,624.20x = 533,436.30 × 187,079.40
  4. Step 4: Simplify right side
    355,624.20x = 99,794,942,942.22
  5. Step 5: Solve for x
    x = 99,794,942,942.22/355,624.20
  6. Step 6: Final answer
    x = 280,619.10

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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.