Home / 233,136.60-321,724.95-131,162.02

Finding the Fourth Proportional to 233,136.60, 321,724.95 and 131,162.02

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Solution

The fourth proportional to 233,136.60, 321,724.95 and 131,162.02 is: 181,001.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,136.60 : 321,724.95 = 131,162.02 : x
  2. Step 2: Convert to fraction form
    233,136.60/321,724.95 = 131,162.02/x
  3. Step 3: Cross multiply
    233,136.60x = 321,724.95 × 131,162.02
  4. Step 4: Simplify right side
    233,136.60x = 42,198,093,030.23
  5. Step 5: Solve for x
    x = 42,198,093,030.23/233,136.60
  6. Step 6: Final answer
    x = 181,001.58

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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.