Home / 132,662.80-183,077.94-72,236.76

Finding the Fourth Proportional to 132,662.80, 183,077.94 and 72,236.76

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Solution

The fourth proportional to 132,662.80, 183,077.94 and 72,236.76 is: 99,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,662.80 : 183,077.94 = 72,236.76 : x
  2. Step 2: Convert to fraction form
    132,662.80/183,077.94 = 72,236.76/x
  3. Step 3: Cross multiply
    132,662.80x = 183,077.94 × 72,236.76
  4. Step 4: Simplify right side
    132,662.80x = 13,224,957,213.07
  5. Step 5: Solve for x
    x = 13,224,957,213.07/132,662.80
  6. Step 6: Final answer
    x = 99,688.51

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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.