Home / 116,357.77-160,574.37-65,372.65

Finding the Fourth Proportional to 116,357.77, 160,574.37 and 65,372.65

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Solution

The fourth proportional to 116,357.77, 160,574.37 and 65,372.65 is: 90,214.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,357.77 : 160,574.37 = 65,372.65 : x
  2. Step 2: Convert to fraction form
    116,357.77/160,574.37 = 65,372.65/x
  3. Step 3: Cross multiply
    116,357.77x = 160,574.37 × 65,372.65
  4. Step 4: Simplify right side
    116,357.77x = 10,497,172,207.98
  5. Step 5: Solve for x
    x = 10,497,172,207.98/116,357.77
  6. Step 6: Final answer
    x = 90,214.62

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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.