Home / 116,418.36-160,658.46-66,117.72

Finding the Fourth Proportional to 116,418.36, 160,658.46 and 66,117.72

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Solution

The fourth proportional to 116,418.36, 160,658.46 and 66,117.72 is: 91,243.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,418.36 : 160,658.46 = 66,117.72 : x
  2. Step 2: Convert to fraction form
    116,418.36/160,658.46 = 66,117.72/x
  3. Step 3: Cross multiply
    116,418.36x = 160,658.46 × 66,117.72
  4. Step 4: Simplify right side
    116,418.36x = 10,622,371,073.91
  5. Step 5: Solve for x
    x = 10,622,371,073.91/116,418.36
  6. Step 6: Final answer
    x = 91,243.09

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1.5x scale

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.