Home / 118,110.29-162,991.17-64,394.33

Finding the Fourth Proportional to 118,110.29, 162,991.17 and 64,394.33

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Solution

The fourth proportional to 118,110.29, 162,991.17 and 64,394.33 is: 88,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,110.29 : 162,991.17 = 64,394.33 : x
  2. Step 2: Convert to fraction form
    118,110.29/162,991.17 = 64,394.33/x
  3. Step 3: Cross multiply
    118,110.29x = 162,991.17 × 64,394.33
  4. Step 4: Simplify right side
    118,110.29x = 10,495,706,373.11
  5. Step 5: Solve for x
    x = 10,495,706,373.11/118,110.29
  6. Step 6: Final answer
    x = 88,863.61

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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.