Home / 232,186.60-320,415.78-131,588.20

Finding the Fourth Proportional to 232,186.60, 320,415.78 and 131,588.20

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Solution

The fourth proportional to 232,186.60, 320,415.78 and 131,588.20 is: 181,590.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,186.60 : 320,415.78 = 131,588.20 : x
  2. Step 2: Convert to fraction form
    232,186.60/320,415.78 = 131,588.20/x
  3. Step 3: Cross multiply
    232,186.60x = 320,415.78 × 131,588.20
  4. Step 4: Simplify right side
    232,186.60x = 42,162,935,741.80
  5. Step 5: Solve for x
    x = 42,162,935,741.80/232,186.60
  6. Step 6: Final answer
    x = 181,590.74

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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.