Home / 132,662.41-183,077.61-72,235.60

Finding the Fourth Proportional to 132,662.41, 183,077.61 and 72,235.60

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Solution

The fourth proportional to 132,662.41, 183,077.61 and 72,235.60 is: 99,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,662.41 : 183,077.61 = 72,235.60 : x
  2. Step 2: Convert to fraction form
    132,662.41/183,077.61 = 72,235.60/x
  3. Step 3: Cross multiply
    132,662.41x = 183,077.61 × 72,235.60
  4. Step 4: Simplify right side
    132,662.41x = 13,224,721,004.92
  5. Step 5: Solve for x
    x = 13,224,721,004.92/132,662.41
  6. Step 6: Final answer
    x = 99,687.03

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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.