Home / 165,530.51-228,416.33-92,916.77

Finding the Fourth Proportional to 165,530.51, 228,416.33 and 92,916.77

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Solution

The fourth proportional to 165,530.51, 228,416.33 and 92,916.77 is: 128,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,530.51 : 228,416.33 = 92,916.77 : x
  2. Step 2: Convert to fraction form
    165,530.51/228,416.33 = 92,916.77/x
  3. Step 3: Cross multiply
    165,530.51x = 228,416.33 × 92,916.77
  4. Step 4: Simplify right side
    165,530.51x = 21,223,705,992.19
  5. Step 5: Solve for x
    x = 21,223,705,992.19/165,530.51
  6. Step 6: Final answer
    x = 128,216.28

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1.5x scale

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.