Home / 117,868.26-162,661.62-64,156.76

Finding the Fourth Proportional to 117,868.26, 162,661.62 and 64,156.76

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Solution

The fourth proportional to 117,868.26, 162,661.62 and 64,156.76 is: 88,538.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,868.26 : 162,661.62 = 64,156.76 : x
  2. Step 2: Convert to fraction form
    117,868.26/162,661.62 = 64,156.76/x
  3. Step 3: Cross multiply
    117,868.26x = 162,661.62 × 64,156.76
  4. Step 4: Simplify right side
    117,868.26x = 10,435,842,515.55
  5. Step 5: Solve for x
    x = 10,435,842,515.55/117,868.26
  6. Step 6: Final answer
    x = 88,538.19

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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.