Home / 117,949.30-162,783.48-70,202.80

Finding the Fourth Proportional to 117,949.30, 162,783.48 and 70,202.80

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Solution

The fourth proportional to 117,949.30, 162,783.48 and 70,202.80 is: 96,887.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,949.30 : 162,783.48 = 70,202.80 : x
  2. Step 2: Convert to fraction form
    117,949.30/162,783.48 = 70,202.80/x
  3. Step 3: Cross multiply
    117,949.30x = 162,783.48 × 70,202.80
  4. Step 4: Simplify right side
    117,949.30x = 11,427,856,089.74
  5. Step 5: Solve for x
    x = 11,427,856,089.74/117,949.30
  6. Step 6: Final answer
    x = 96,887.87

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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.