Home / 233,120.52-321,705.80-131,146.04

Finding the Fourth Proportional to 233,120.52, 321,705.80 and 131,146.04

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Solution

The fourth proportional to 233,120.52, 321,705.80 and 131,146.04 is: 180,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,120.52 : 321,705.80 = 131,146.04 : x
  2. Step 2: Convert to fraction form
    233,120.52/321,705.80 = 131,146.04/x
  3. Step 3: Cross multiply
    233,120.52x = 321,705.80 × 131,146.04
  4. Step 4: Simplify right side
    233,120.52x = 42,190,441,715.03
  5. Step 5: Solve for x
    x = 42,190,441,715.03/233,120.52
  6. Step 6: Final answer
    x = 180,981.24

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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.