Home / 165,731.16-228,701.08-94,101.76

Finding the Fourth Proportional to 165,731.16, 228,701.08 and 94,101.76

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Solution

The fourth proportional to 165,731.16, 228,701.08 and 94,101.76 is: 129,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,731.16 : 228,701.08 = 94,101.76 : x
  2. Step 2: Convert to fraction form
    165,731.16/228,701.08 = 94,101.76/x
  3. Step 3: Cross multiply
    165,731.16x = 228,701.08 × 94,101.76
  4. Step 4: Simplify right side
    165,731.16x = 21,521,174,141.90
  5. Step 5: Solve for x
    x = 21,521,174,141.90/165,731.16
  6. Step 6: Final answer
    x = 129,855.93

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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.