Home / 132,824.69-183,298.22-72,395.39

Finding the Fourth Proportional to 132,824.69, 183,298.22 and 72,395.39

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Solution

The fourth proportional to 132,824.69, 183,298.22 and 72,395.39 is: 99,905.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,824.69 : 183,298.22 = 72,395.39 : x
  2. Step 2: Convert to fraction form
    132,824.69/183,298.22 = 72,395.39/x
  3. Step 3: Cross multiply
    132,824.69x = 183,298.22 × 72,395.39
  4. Step 4: Simplify right side
    132,824.69x = 13,269,944,844.74
  5. Step 5: Solve for x
    x = 13,269,944,844.74/132,824.69
  6. Step 6: Final answer
    x = 99,905.71

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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.