Home / 117,820.60-162,565.74-86,006.84

Finding the Fourth Proportional to 117,820.60, 162,565.74 and 86,006.84

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Solution

The fourth proportional to 117,820.60, 162,565.74 and 86,006.84 is: 118,669.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,820.60 : 162,565.74 = 86,006.84 : x
  2. Step 2: Convert to fraction form
    117,820.60/162,565.74 = 86,006.84/x
  3. Step 3: Cross multiply
    117,820.60x = 162,565.74 × 86,006.84
  4. Step 4: Simplify right side
    117,820.60x = 13,981,765,589.66
  5. Step 5: Solve for x
    x = 13,981,765,589.66/117,820.60
  6. Step 6: Final answer
    x = 118,669.96

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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.