Home / 233,085.04-321,654.12-131,102.80

Finding the Fourth Proportional to 233,085.04, 321,654.12 and 131,102.80

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Solution

The fourth proportional to 233,085.04, 321,654.12 and 131,102.80 is: 180,920.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,085.04 : 321,654.12 = 131,102.80 : x
  2. Step 2: Convert to fraction form
    233,085.04/321,654.12 = 131,102.80/x
  3. Step 3: Cross multiply
    233,085.04x = 321,654.12 × 131,102.80
  4. Step 4: Simplify right side
    233,085.04x = 42,169,755,763.54
  5. Step 5: Solve for x
    x = 42,169,755,763.54/233,085.04
  6. Step 6: Final answer
    x = 180,920.04

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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.