Home / 174,002.88-261,090.72-68,897.28

Finding the Fourth Proportional to 174,002.88, 261,090.72 and 68,897.28

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Solution

The fourth proportional to 174,002.88, 261,090.72 and 68,897.28 is: 103,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,002.88 : 261,090.72 = 68,897.28 : x
  2. Step 2: Convert to fraction form
    174,002.88/261,090.72 = 68,897.28/x
  3. Step 3: Cross multiply
    174,002.88x = 261,090.72 × 68,897.28
  4. Step 4: Simplify right side
    174,002.88x = 17,988,440,441.24
  5. Step 5: Solve for x
    x = 17,988,440,441.24/174,002.88
  6. Step 6: Final answer
    x = 103,380.13

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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.