Home / 452,012.43-678,047.45-152,523.15

Finding the Fourth Proportional to 452,012.43, 678,047.45 and 152,523.15

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Solution

The fourth proportional to 452,012.43, 678,047.45 and 152,523.15 is: 228,794.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,012.43 : 678,047.45 = 152,523.15 : x
  2. Step 2: Convert to fraction form
    452,012.43/678,047.45 = 152,523.15/x
  3. Step 3: Cross multiply
    452,012.43x = 678,047.45 × 152,523.15
  4. Step 4: Simplify right side
    452,012.43x = 103,417,932,160.85
  5. Step 5: Solve for x
    x = 103,417,932,160.85/452,012.43
  6. Step 6: Final answer
    x = 228,794.44

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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.