Home / 452,300.76-678,524.04-136,731.24

Finding the Fourth Proportional to 452,300.76, 678,524.04 and 136,731.24

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Solution

The fourth proportional to 452,300.76, 678,524.04 and 136,731.24 is: 205,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,300.76 : 678,524.04 = 136,731.24 : x
  2. Step 2: Convert to fraction form
    452,300.76/678,524.04 = 136,731.24/x
  3. Step 3: Cross multiply
    452,300.76x = 678,524.04 × 136,731.24
  4. Step 4: Simplify right side
    452,300.76x = 92,775,433,359.01
  5. Step 5: Solve for x
    x = 92,775,433,359.01/452,300.76
  6. Step 6: Final answer
    x = 205,118.90

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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.