Home / 132,782.05-183,239.26-72,352.71

Finding the Fourth Proportional to 132,782.05, 183,239.26 and 72,352.71

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Solution

The fourth proportional to 132,782.05, 183,239.26 and 72,352.71 is: 99,846.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,782.05 : 183,239.26 = 72,352.71 : x
  2. Step 2: Convert to fraction form
    132,782.05/183,239.26 = 72,352.71/x
  3. Step 3: Cross multiply
    132,782.05x = 183,239.26 × 72,352.71
  4. Step 4: Simplify right side
    132,782.05x = 13,257,857,265.50
  5. Step 5: Solve for x
    x = 13,257,857,265.50/132,782.05
  6. Step 6: Final answer
    x = 99,846.76

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1.5x scale

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.