Home / 174,439.60-261,659.40-127,783.60

Finding the Fourth Proportional to 174,439.60, 261,659.40 and 127,783.60

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Solution

The fourth proportional to 174,439.60, 261,659.40 and 127,783.60 is: 191,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,439.60 : 261,659.40 = 127,783.60 : x
  2. Step 2: Convert to fraction form
    174,439.60/261,659.40 = 127,783.60/x
  3. Step 3: Cross multiply
    174,439.60x = 261,659.40 × 127,783.60
  4. Step 4: Simplify right side
    174,439.60x = 33,435,780,105.84
  5. Step 5: Solve for x
    x = 33,435,780,105.84/174,439.60
  6. Step 6: Final answer
    x = 191,675.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.