Home / 171,676.13-236,856.35-103,667.28

Finding the Fourth Proportional to 171,676.13, 236,856.35 and 103,667.28

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Solution

The fourth proportional to 171,676.13, 236,856.35 and 103,667.28 is: 143,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,676.13 : 236,856.35 = 103,667.28 : x
  2. Step 2: Convert to fraction form
    171,676.13/236,856.35 = 103,667.28/x
  3. Step 3: Cross multiply
    171,676.13x = 236,856.35 × 103,667.28
  4. Step 4: Simplify right side
    171,676.13x = 24,554,252,926.18
  5. Step 5: Solve for x
    x = 24,554,252,926.18/171,676.13
  6. Step 6: Final answer
    x = 143,026.60

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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.