Home / 117,217.95-161,760.56-63,504.32

Finding the Fourth Proportional to 117,217.95, 161,760.56 and 63,504.32

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Solution

The fourth proportional to 117,217.95, 161,760.56 and 63,504.32 is: 87,635.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,217.95 : 161,760.56 = 63,504.32 : x
  2. Step 2: Convert to fraction form
    117,217.95/161,760.56 = 63,504.32/x
  3. Step 3: Cross multiply
    117,217.95x = 161,760.56 × 63,504.32
  4. Step 4: Simplify right side
    117,217.95x = 10,272,493,239.29
  5. Step 5: Solve for x
    x = 10,272,493,239.29/117,217.95
  6. Step 6: Final answer
    x = 87,635.84

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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.