Home / 233,014.15-321,556.47-131,039.58

Finding the Fourth Proportional to 233,014.15, 321,556.47 and 131,039.58

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Solution

The fourth proportional to 233,014.15, 321,556.47 and 131,039.58 is: 180,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,014.15 : 321,556.47 = 131,039.58 : x
  2. Step 2: Convert to fraction form
    233,014.15/321,556.47 = 131,039.58/x
  3. Step 3: Cross multiply
    233,014.15x = 321,556.47 × 131,039.58
  4. Step 4: Simplify right side
    233,014.15x = 42,136,625,489.52
  5. Step 5: Solve for x
    x = 42,136,625,489.52/233,014.15
  6. Step 6: Final answer
    x = 180,832.90

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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.