Home / 214,261.36-321,345.90-87,777.58

Finding the Fourth Proportional to 214,261.36, 321,345.90 and 87,777.58

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Solution

The fourth proportional to 214,261.36, 321,345.90 and 87,777.58 is: 131,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,261.36 : 321,345.90 = 87,777.58 : x
  2. Step 2: Convert to fraction form
    214,261.36/321,345.90 = 87,777.58/x
  3. Step 3: Cross multiply
    214,261.36x = 321,345.90 × 87,777.58
  4. Step 4: Simplify right side
    214,261.36x = 28,206,965,444.92
  5. Step 5: Solve for x
    x = 28,206,965,444.92/214,261.36
  6. Step 6: Final answer
    x = 131,647.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.