Home / 113,104.40-169,656.48-28,864.56

Finding the Fourth Proportional to 113,104.40, 169,656.48 and 28,864.56

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Solution

The fourth proportional to 113,104.40, 169,656.48 and 28,864.56 is: 43,296.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,104.40 : 169,656.48 = 28,864.56 : x
  2. Step 2: Convert to fraction form
    113,104.40/169,656.48 = 28,864.56/x
  3. Step 3: Cross multiply
    113,104.40x = 169,656.48 × 28,864.56
  4. Step 4: Simplify right side
    113,104.40x = 4,897,059,646.35
  5. Step 5: Solve for x
    x = 4,897,059,646.35/113,104.40
  6. Step 6: Final answer
    x = 43,296.81

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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.