Home / 296,743.61-445,115.98-72,104.24

Finding the Fourth Proportional to 296,743.61, 445,115.98 and 72,104.24

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Solution

The fourth proportional to 296,743.61, 445,115.98 and 72,104.24 is: 108,156.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,743.61 : 445,115.98 = 72,104.24 : x
  2. Step 2: Convert to fraction form
    296,743.61/445,115.98 = 72,104.24/x
  3. Step 3: Cross multiply
    296,743.61x = 445,115.98 × 72,104.24
  4. Step 4: Simplify right side
    296,743.61x = 32,094,747,043.91
  5. Step 5: Solve for x
    x = 32,094,747,043.91/296,743.61
  6. Step 6: Final answer
    x = 108,156.49

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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.