Home / 221,693.36-305,937.18-126,200.05

Finding the Fourth Proportional to 221,693.36, 305,937.18 and 126,200.05

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Solution

The fourth proportional to 221,693.36, 305,937.18 and 126,200.05 is: 174,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,693.36 : 305,937.18 = 126,200.05 : x
  2. Step 2: Convert to fraction form
    221,693.36/305,937.18 = 126,200.05/x
  3. Step 3: Cross multiply
    221,693.36x = 305,937.18 × 126,200.05
  4. Step 4: Simplify right side
    221,693.36x = 38,609,286,648.02
  5. Step 5: Solve for x
    x = 38,609,286,648.02/221,693.36
  6. Step 6: Final answer
    x = 174,156.26

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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.