Home / 117,995.49-162,832.97-64,280.54

Finding the Fourth Proportional to 117,995.49, 162,832.97 and 64,280.54

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Solution

The fourth proportional to 117,995.49, 162,832.97 and 64,280.54 is: 88,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,995.49 : 162,832.97 = 64,280.54 : x
  2. Step 2: Convert to fraction form
    117,995.49/162,832.97 = 64,280.54/x
  3. Step 3: Cross multiply
    117,995.49x = 162,832.97 × 64,280.54
  4. Step 4: Simplify right side
    117,995.49x = 10,466,991,809.19
  5. Step 5: Solve for x
    x = 10,466,991,809.19/117,995.49
  6. Step 6: Final answer
    x = 88,706.71

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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.