Home / 132,617.89-183,015.03-72,190.27

Finding the Fourth Proportional to 132,617.89, 183,015.03 and 72,190.27

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Solution

The fourth proportional to 132,617.89, 183,015.03 and 72,190.27 is: 99,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,617.89 : 183,015.03 = 72,190.27 : x
  2. Step 2: Convert to fraction form
    132,617.89/183,015.03 = 72,190.27/x
  3. Step 3: Cross multiply
    132,617.89x = 183,015.03 × 72,190.27
  4. Step 4: Simplify right side
    132,617.89x = 13,211,905,001.68
  5. Step 5: Solve for x
    x = 13,211,905,001.68/132,617.89
  6. Step 6: Final answer
    x = 99,623.85

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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.