Home / 625,302.03-937,855.04-198,781.95

Finding the Fourth Proportional to 625,302.03, 937,855.04 and 198,781.95

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Solution

The fourth proportional to 625,302.03, 937,855.04 and 198,781.95 is: 298,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,302.03 : 937,855.04 = 198,781.95 : x
  2. Step 2: Convert to fraction form
    625,302.03/937,855.04 = 198,781.95/x
  3. Step 3: Cross multiply
    625,302.03x = 937,855.04 × 198,781.95
  4. Step 4: Simplify right side
    625,302.03x = 186,428,652,674.62
  5. Step 5: Solve for x
    x = 186,428,652,674.62/625,302.03
  6. Step 6: Final answer
    x = 298,141.77

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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.