Home / 165,111.27-227,854.40-89,659.77

Finding the Fourth Proportional to 165,111.27, 227,854.40 and 89,659.77

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Solution

The fourth proportional to 165,111.27, 227,854.40 and 89,659.77 is: 123,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,111.27 : 227,854.40 = 89,659.77 : x
  2. Step 2: Convert to fraction form
    165,111.27/227,854.40 = 89,659.77/x
  3. Step 3: Cross multiply
    165,111.27x = 227,854.40 × 89,659.77
  4. Step 4: Simplify right side
    165,111.27x = 20,429,372,649.19
  5. Step 5: Solve for x
    x = 20,429,372,649.19/165,111.27
  6. Step 6: Final answer
    x = 123,730.94

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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.