Home / 132,915.11-199,262.36-52,903.71

Finding the Fourth Proportional to 132,915.11, 199,262.36 and 52,903.71

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Solution

The fourth proportional to 132,915.11, 199,262.36 and 52,903.71 is: 79,311.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,915.11 : 199,262.36 = 52,903.71 : x
  2. Step 2: Convert to fraction form
    132,915.11/199,262.36 = 52,903.71/x
  3. Step 3: Cross multiply
    132,915.11x = 199,262.36 × 52,903.71
  4. Step 4: Simplify right side
    132,915.11x = 10,541,717,842.84
  5. Step 5: Solve for x
    x = 10,541,717,842.84/132,915.11
  6. Step 6: Final answer
    x = 79,311.66

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1.5x scale

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.