Home / 116,129.52-160,250.67-68,372.73

Finding the Fourth Proportional to 116,129.52, 160,250.67 and 68,372.73

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Solution

The fourth proportional to 116,129.52, 160,250.67 and 68,372.73 is: 94,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,129.52 : 160,250.67 = 68,372.73 : x
  2. Step 2: Convert to fraction form
    116,129.52/160,250.67 = 68,372.73/x
  3. Step 3: Cross multiply
    116,129.52x = 160,250.67 × 68,372.73
  4. Step 4: Simplify right side
    116,129.52x = 10,956,775,792.23
  5. Step 5: Solve for x
    x = 10,956,775,792.23/116,129.52
  6. Step 6: Final answer
    x = 94,349.62

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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.