Home / 221,785.04-306,027.96-126,293.60

Finding the Fourth Proportional to 221,785.04, 306,027.96 and 126,293.60

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Solution

The fourth proportional to 221,785.04, 306,027.96 and 126,293.60 is: 174,265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,785.04 : 306,027.96 = 126,293.60 : x
  2. Step 2: Convert to fraction form
    221,785.04/306,027.96 = 126,293.60/x
  3. Step 3: Cross multiply
    221,785.04x = 306,027.96 × 126,293.60
  4. Step 4: Simplify right side
    221,785.04x = 38,649,372,769.06
  5. Step 5: Solve for x
    x = 38,649,372,769.06/221,785.04
  6. Step 6: Final answer
    x = 174,265.01

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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.