Home / 132,631.32-183,010.64-76,031.76

Finding the Fourth Proportional to 132,631.32, 183,010.64 and 76,031.76

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Solution

The fourth proportional to 132,631.32, 183,010.64 and 76,031.76 is: 104,912.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,631.32 : 183,010.64 = 76,031.76 : x
  2. Step 2: Convert to fraction form
    132,631.32/183,010.64 = 76,031.76/x
  3. Step 3: Cross multiply
    132,631.32x = 183,010.64 × 76,031.76
  4. Step 4: Simplify right side
    132,631.32x = 13,914,621,057.93
  5. Step 5: Solve for x
    x = 13,914,621,057.93/132,631.32
  6. Step 6: Final answer
    x = 104,912.03

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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.