Home / 116,106.17-160,078.19-75,198.02

Finding the Fourth Proportional to 116,106.17, 160,078.19 and 75,198.02

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Solution

The fourth proportional to 116,106.17, 160,078.19 and 75,198.02 is: 103,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,106.17 : 160,078.19 = 75,198.02 : x
  2. Step 2: Convert to fraction form
    116,106.17/160,078.19 = 75,198.02/x
  3. Step 3: Cross multiply
    116,106.17x = 160,078.19 × 75,198.02
  4. Step 4: Simplify right side
    116,106.17x = 12,037,563,521.37
  5. Step 5: Solve for x
    x = 12,037,563,521.37/116,106.17
  6. Step 6: Final answer
    x = 103,677.21

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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.