Home / 577,343.09-865,799.22-198,156.23

Finding the Fourth Proportional to 577,343.09, 865,799.22 and 198,156.23

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Solution

The fourth proportional to 577,343.09, 865,799.22 and 198,156.23 is: 297,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,343.09 : 865,799.22 = 198,156.23 : x
  2. Step 2: Convert to fraction form
    577,343.09/865,799.22 = 198,156.23/x
  3. Step 3: Cross multiply
    577,343.09x = 865,799.22 × 198,156.23
  4. Step 4: Simplify right side
    577,343.09x = 171,563,509,372.14
  5. Step 5: Solve for x
    x = 171,563,509,372.14/577,343.09
  6. Step 6: Final answer
    x = 297,160.41

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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.