Home / 132,398.96-182,709.27-98,558.78

Finding the Fourth Proportional to 132,398.96, 182,709.27 and 98,558.78

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Solution

The fourth proportional to 132,398.96, 182,709.27 and 98,558.78 is: 136,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,398.96 : 182,709.27 = 98,558.78 : x
  2. Step 2: Convert to fraction form
    132,398.96/182,709.27 = 98,558.78/x
  3. Step 3: Cross multiply
    132,398.96x = 182,709.27 × 98,558.78
  4. Step 4: Simplify right side
    132,398.96x = 18,007,601,832.34
  5. Step 5: Solve for x
    x = 18,007,601,832.34/132,398.96
  6. Step 6: Final answer
    x = 136,010.15

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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.