Home / 261,935.01-361,513.80-154,531.44

Finding the Fourth Proportional to 261,935.01, 361,513.80 and 154,531.44

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Solution

The fourth proportional to 261,935.01, 361,513.80 and 154,531.44 is: 213,279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,935.01 : 361,513.80 = 154,531.44 : x
  2. Step 2: Convert to fraction form
    261,935.01/361,513.80 = 154,531.44/x
  3. Step 3: Cross multiply
    261,935.01x = 361,513.80 × 154,531.44
  4. Step 4: Simplify right side
    261,935.01x = 55,865,248,093.87
  5. Step 5: Solve for x
    x = 55,865,248,093.87/261,935.01
  6. Step 6: Final answer
    x = 213,279.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.