Home / 164,727.60-247,091.40-111,505.20

Finding the Fourth Proportional to 164,727.60, 247,091.40 and 111,505.20

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Solution

The fourth proportional to 164,727.60, 247,091.40 and 111,505.20 is: 167,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,727.60 : 247,091.40 = 111,505.20 : x
  2. Step 2: Convert to fraction form
    164,727.60/247,091.40 = 111,505.20/x
  3. Step 3: Cross multiply
    164,727.60x = 247,091.40 × 111,505.20
  4. Step 4: Simplify right side
    164,727.60x = 27,551,975,975.28
  5. Step 5: Solve for x
    x = 27,551,975,975.28/164,727.60
  6. Step 6: Final answer
    x = 167,257.80

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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.