Home / 132,790.94-183,249.83-72,364.22

Finding the Fourth Proportional to 132,790.94, 183,249.83 and 72,364.22

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Solution

The fourth proportional to 132,790.94, 183,249.83 and 72,364.22 is: 99,861.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,790.94 : 183,249.83 = 72,364.22 : x
  2. Step 2: Convert to fraction form
    132,790.94/183,249.83 = 72,364.22/x
  3. Step 3: Cross multiply
    132,790.94x = 183,249.83 × 72,364.22
  4. Step 4: Simplify right side
    132,790.94x = 13,260,731,013.08
  5. Step 5: Solve for x
    x = 13,260,731,013.08/132,790.94
  6. Step 6: Final answer
    x = 99,861.72

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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.