Home / 132,945.84-199,493.28-70,614.72

Finding the Fourth Proportional to 132,945.84, 199,493.28 and 70,614.72

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Solution

The fourth proportional to 132,945.84, 199,493.28 and 70,614.72 is: 105,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,945.84 : 199,493.28 = 70,614.72 : x
  2. Step 2: Convert to fraction form
    132,945.84/199,493.28 = 70,614.72/x
  3. Step 3: Cross multiply
    132,945.84x = 199,493.28 × 70,614.72
  4. Step 4: Simplify right side
    132,945.84x = 14,087,162,109.08
  5. Step 5: Solve for x
    x = 14,087,162,109.08/132,945.84
  6. Step 6: Final answer
    x = 105,961.66

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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.