Home / 117,906.85-162,706.35-64,192.05

Finding the Fourth Proportional to 117,906.85, 162,706.35 and 64,192.05

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Solution

The fourth proportional to 117,906.85, 162,706.35 and 64,192.05 is: 88,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,906.85 : 162,706.35 = 64,192.05 : x
  2. Step 2: Convert to fraction form
    117,906.85/162,706.35 = 64,192.05/x
  3. Step 3: Cross multiply
    117,906.85x = 162,706.35 × 64,192.05
  4. Step 4: Simplify right side
    117,906.85x = 10,444,454,523.95
  5. Step 5: Solve for x
    x = 10,444,454,523.95/117,906.85
  6. Step 6: Final answer
    x = 88,582.25

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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.