Home / 114,660.92-158,307.01-74,489.17

Finding the Fourth Proportional to 114,660.92, 158,307.01 and 74,489.17

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Solution

The fourth proportional to 114,660.92, 158,307.01 and 74,489.17 is: 102,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,660.92 : 158,307.01 = 74,489.17 : x
  2. Step 2: Convert to fraction form
    114,660.92/158,307.01 = 74,489.17/x
  3. Step 3: Cross multiply
    114,660.92x = 158,307.01 × 74,489.17
  4. Step 4: Simplify right side
    114,660.92x = 11,792,157,494.92
  5. Step 5: Solve for x
    x = 11,792,157,494.92/114,660.92
  6. Step 6: Final answer
    x = 102,843.74

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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.