Home / 132,942.52-183,356.94-85,200.32

Finding the Fourth Proportional to 132,942.52, 183,356.94 and 85,200.32

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Solution

The fourth proportional to 132,942.52, 183,356.94 and 85,200.32 is: 117,509.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,942.52 : 183,356.94 = 85,200.32 : x
  2. Step 2: Convert to fraction form
    132,942.52/183,356.94 = 85,200.32/x
  3. Step 3: Cross multiply
    132,942.52x = 183,356.94 × 85,200.32
  4. Step 4: Simplify right side
    132,942.52x = 15,622,069,962.22
  5. Step 5: Solve for x
    x = 15,622,069,962.22/132,942.52
  6. Step 6: Final answer
    x = 117,509.96

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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.