Home / 132,608.05-183,003.06-81,650.17

Finding the Fourth Proportional to 132,608.05, 183,003.06 and 81,650.17

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Solution

The fourth proportional to 132,608.05, 183,003.06 and 81,650.17 is: 112,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,608.05 : 183,003.06 = 81,650.17 : x
  2. Step 2: Convert to fraction form
    132,608.05/183,003.06 = 81,650.17/x
  3. Step 3: Cross multiply
    132,608.05x = 183,003.06 × 81,650.17
  4. Step 4: Simplify right side
    132,608.05x = 14,942,230,959.52
  5. Step 5: Solve for x
    x = 14,942,230,959.52/132,608.05
  6. Step 6: Final answer
    x = 112,679.67

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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.