Home / 132,735.12-183,173.04-76,155.36

Finding the Fourth Proportional to 132,735.12, 183,173.04 and 76,155.36

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Solution

The fourth proportional to 132,735.12, 183,173.04 and 76,155.36 is: 105,093.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,735.12 : 183,173.04 = 76,155.36 : x
  2. Step 2: Convert to fraction form
    132,735.12/183,173.04 = 76,155.36/x
  3. Step 3: Cross multiply
    132,735.12x = 183,173.04 × 76,155.36
  4. Step 4: Simplify right side
    132,735.12x = 13,949,608,803.49
  5. Step 5: Solve for x
    x = 13,949,608,803.49/132,735.12
  6. Step 6: Final answer
    x = 105,093.58

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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.