Home / 132,887.72-198,725.58-99,177.56

Finding the Fourth Proportional to 132,887.72, 198,725.58 and 99,177.56

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Solution

The fourth proportional to 132,887.72, 198,725.58 and 99,177.56 is: 148,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,887.72 : 198,725.58 = 99,177.56 : x
  2. Step 2: Convert to fraction form
    132,887.72/198,725.58 = 99,177.56/x
  3. Step 3: Cross multiply
    132,887.72x = 198,725.58 × 99,177.56
  4. Step 4: Simplify right side
    132,887.72x = 19,709,118,133.98
  5. Step 5: Solve for x
    x = 19,709,118,133.98/132,887.72
  6. Step 6: Final answer
    x = 148,314.07

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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.