Home / 117,904.25-162,711.27-64,190.18

Finding the Fourth Proportional to 117,904.25, 162,711.27 and 64,190.18

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Solution

The fourth proportional to 117,904.25, 162,711.27 and 64,190.18 is: 88,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,904.25 : 162,711.27 = 64,190.18 : x
  2. Step 2: Convert to fraction form
    117,904.25/162,711.27 = 64,190.18/x
  3. Step 3: Cross multiply
    117,904.25x = 162,711.27 × 64,190.18
  4. Step 4: Simplify right side
    117,904.25x = 10,444,466,116.11
  5. Step 5: Solve for x
    x = 10,444,466,116.11/117,904.25
  6. Step 6: Final answer
    x = 88,584.30

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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.