Home / 132,628.81-183,007.20-76,029.25

Finding the Fourth Proportional to 132,628.81, 183,007.20 and 76,029.25

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Solution

The fourth proportional to 132,628.81, 183,007.20 and 76,029.25 is: 104,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,628.81 : 183,007.20 = 76,029.25 : x
  2. Step 2: Convert to fraction form
    132,628.81/183,007.20 = 76,029.25/x
  3. Step 3: Cross multiply
    132,628.81x = 183,007.20 × 76,029.25
  4. Step 4: Simplify right side
    132,628.81x = 13,913,900,160.60
  5. Step 5: Solve for x
    x = 13,913,900,160.60/132,628.81
  6. Step 6: Final answer
    x = 104,908.58

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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.