Home / 120,352.33-166,088.54-72,004.04

Finding the Fourth Proportional to 120,352.33, 166,088.54 and 72,004.04

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Solution

The fourth proportional to 120,352.33, 166,088.54 and 72,004.04 is: 99,366.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,352.33 : 166,088.54 = 72,004.04 : x
  2. Step 2: Convert to fraction form
    120,352.33/166,088.54 = 72,004.04/x
  3. Step 3: Cross multiply
    120,352.33x = 166,088.54 × 72,004.04
  4. Step 4: Simplify right side
    120,352.33x = 11,959,045,850.10
  5. Step 5: Solve for x
    x = 11,959,045,850.10/120,352.33
  6. Step 6: Final answer
    x = 99,366.96

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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.