Home / 117,666.19-162,380.40-63,951.33

Finding the Fourth Proportional to 117,666.19, 162,380.40 and 63,951.33

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Solution

The fourth proportional to 117,666.19, 162,380.40 and 63,951.33 is: 88,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,666.19 : 162,380.40 = 63,951.33 : x
  2. Step 2: Convert to fraction form
    117,666.19/162,380.40 = 63,951.33/x
  3. Step 3: Cross multiply
    117,666.19x = 162,380.40 × 63,951.33
  4. Step 4: Simplify right side
    117,666.19x = 10,384,442,545.93
  5. Step 5: Solve for x
    x = 10,384,442,545.93/117,666.19
  6. Step 6: Final answer
    x = 88,253.41

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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.