Home / 132,663.41-183,078.99-72,236.60

Finding the Fourth Proportional to 132,663.41, 183,078.99 and 72,236.60

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Solution

The fourth proportional to 132,663.41, 183,078.99 and 72,236.60 is: 99,688.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,663.41 : 183,078.99 = 72,236.60 : x
  2. Step 2: Convert to fraction form
    132,663.41/183,078.99 = 72,236.60/x
  3. Step 3: Cross multiply
    132,663.41x = 183,078.99 × 72,236.60
  4. Step 4: Simplify right side
    132,663.41x = 13,225,003,769.03
  5. Step 5: Solve for x
    x = 13,225,003,769.03/132,663.41
  6. Step 6: Final answer
    x = 99,688.41

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1.5x scale

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.