Home / 191,998.32-264,961.08-107,123.28

Finding the Fourth Proportional to 191,998.32, 264,961.08 and 107,123.28

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Solution

The fourth proportional to 191,998.32, 264,961.08 and 107,123.28 is: 147,832.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,998.32 : 264,961.08 = 107,123.28 : x
  2. Step 2: Convert to fraction form
    191,998.32/264,961.08 = 107,123.28/x
  3. Step 3: Cross multiply
    191,998.32x = 264,961.08 × 107,123.28
  4. Step 4: Simplify right side
    191,998.32x = 28,383,499,961.94
  5. Step 5: Solve for x
    x = 28,383,499,961.94/191,998.32
  6. Step 6: Final answer
    x = 147,832.02

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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.