Home / 116,177.12-160,317.78-64,491.56

Finding the Fourth Proportional to 116,177.12, 160,317.78 and 64,491.56

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Solution

The fourth proportional to 116,177.12, 160,317.78 and 64,491.56 is: 88,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,177.12 : 160,317.78 = 64,491.56 : x
  2. Step 2: Convert to fraction form
    116,177.12/160,317.78 = 64,491.56/x
  3. Step 3: Cross multiply
    116,177.12x = 160,317.78 × 64,491.56
  4. Step 4: Simplify right side
    116,177.12x = 10,339,143,727.94
  5. Step 5: Solve for x
    x = 10,339,143,727.94/116,177.12
  6. Step 6: Final answer
    x = 88,994.66

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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.