Home / 168,829.88-233,031.30-105,130.04

Finding the Fourth Proportional to 168,829.88, 233,031.30 and 105,130.04

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Solution

The fourth proportional to 168,829.88, 233,031.30 and 105,130.04 is: 145,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,829.88 : 233,031.30 = 105,130.04 : x
  2. Step 2: Convert to fraction form
    168,829.88/233,031.30 = 105,130.04/x
  3. Step 3: Cross multiply
    168,829.88x = 233,031.30 × 105,130.04
  4. Step 4: Simplify right side
    168,829.88x = 24,498,589,890.25
  5. Step 5: Solve for x
    x = 24,498,589,890.25/168,829.88
  6. Step 6: Final answer
    x = 145,108.14

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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.