Home / 165,730.15-228,709.16-94,111.77

Finding the Fourth Proportional to 165,730.15, 228,709.16 and 94,111.77

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Solution

The fourth proportional to 165,730.15, 228,709.16 and 94,111.77 is: 129,875.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,730.15 : 228,709.16 = 94,111.77 : x
  2. Step 2: Convert to fraction form
    165,730.15/228,709.16 = 94,111.77/x
  3. Step 3: Cross multiply
    165,730.15x = 228,709.16 × 94,111.77
  4. Step 4: Simplify right side
    165,730.15x = 21,524,223,862.81
  5. Step 5: Solve for x
    x = 21,524,223,862.81/165,730.15
  6. Step 6: Final answer
    x = 129,875.12

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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.