Home / 165,530.61-228,416.44-92,916.86

Finding the Fourth Proportional to 165,530.61, 228,416.44 and 92,916.86

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Solution

The fourth proportional to 165,530.61, 228,416.44 and 92,916.86 is: 128,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,530.61 : 228,416.44 = 92,916.86 : x
  2. Step 2: Convert to fraction form
    165,530.61/228,416.44 = 92,916.86/x
  3. Step 3: Cross multiply
    165,530.61x = 228,416.44 × 92,916.86
  4. Step 4: Simplify right side
    165,530.61x = 21,223,738,461.87
  5. Step 5: Solve for x
    x = 21,223,738,461.87/165,530.61
  6. Step 6: Final answer
    x = 128,216.40

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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.