Home / 132,623.38-183,022.60-72,195.76

Finding the Fourth Proportional to 132,623.38, 183,022.60 and 72,195.76

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Solution

The fourth proportional to 132,623.38, 183,022.60 and 72,195.76 is: 99,631.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,623.38 : 183,022.60 = 72,195.76 : x
  2. Step 2: Convert to fraction form
    132,623.38/183,022.60 = 72,195.76/x
  3. Step 3: Cross multiply
    132,623.38x = 183,022.60 × 72,195.76
  4. Step 4: Simplify right side
    132,623.38x = 13,213,455,704.18
  5. Step 5: Solve for x
    x = 13,213,455,704.18/132,623.38
  6. Step 6: Final answer
    x = 99,631.42

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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.