Home / 117,622.60-162,316.38-63,906.40

Finding the Fourth Proportional to 117,622.60, 162,316.38 and 63,906.40

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Solution

The fourth proportional to 117,622.60, 162,316.38 and 63,906.40 is: 88,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,622.60 : 162,316.38 = 63,906.40 : x
  2. Step 2: Convert to fraction form
    117,622.60/162,316.38 = 63,906.40/x
  3. Step 3: Cross multiply
    117,622.60x = 162,316.38 × 63,906.40
  4. Step 4: Simplify right side
    117,622.60x = 10,373,055,506.83
  5. Step 5: Solve for x
    x = 10,373,055,506.83/117,622.60
  6. Step 6: Final answer
    x = 88,189.31

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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.