Home / 194,717.80-292,028.10-74,748.70

Finding the Fourth Proportional to 194,717.80, 292,028.10 and 74,748.70

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Solution

The fourth proportional to 194,717.80, 292,028.10 and 74,748.70 is: 112,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,717.80 : 292,028.10 = 74,748.70 : x
  2. Step 2: Convert to fraction form
    194,717.80/292,028.10 = 74,748.70/x
  3. Step 3: Cross multiply
    194,717.80x = 292,028.10 × 74,748.70
  4. Step 4: Simplify right side
    194,717.80x = 21,828,720,838.47
  5. Step 5: Solve for x
    x = 21,828,720,838.47/194,717.80
  6. Step 6: Final answer
    x = 112,104.39

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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.