Home / 221,091.17-305,113.97-125,614.04

Finding the Fourth Proportional to 221,091.17, 305,113.97 and 125,614.04

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Solution

The fourth proportional to 221,091.17, 305,113.97 and 125,614.04 is: 173,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,091.17 : 305,113.97 = 125,614.04 : x
  2. Step 2: Convert to fraction form
    221,091.17/305,113.97 = 125,614.04/x
  3. Step 3: Cross multiply
    221,091.17x = 305,113.97 × 125,614.04
  4. Step 4: Simplify right side
    221,091.17x = 38,326,597,220.60
  5. Step 5: Solve for x
    x = 38,326,597,220.60/221,091.17
  6. Step 6: Final answer
    x = 173,352.01

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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.