Home / 132,588.63-198,701.15-70,134.39

Finding the Fourth Proportional to 132,588.63, 198,701.15 and 70,134.39

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Solution

The fourth proportional to 132,588.63, 198,701.15 and 70,134.39 is: 105,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,588.63 : 198,701.15 = 70,134.39 : x
  2. Step 2: Convert to fraction form
    132,588.63/198,701.15 = 70,134.39/x
  3. Step 3: Cross multiply
    132,588.63x = 198,701.15 × 70,134.39
  4. Step 4: Simplify right side
    132,588.63x = 13,935,783,596.88
  5. Step 5: Solve for x
    x = 13,935,783,596.88/132,588.63
  6. Step 6: Final answer
    x = 105,105.42

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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.