Home / 174,665.60-261,998.40-74,808.80

Finding the Fourth Proportional to 174,665.60, 261,998.40 and 74,808.80

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Solution

The fourth proportional to 174,665.60, 261,998.40 and 74,808.80 is: 112,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,665.60 : 261,998.40 = 74,808.80 : x
  2. Step 2: Convert to fraction form
    174,665.60/261,998.40 = 74,808.80/x
  3. Step 3: Cross multiply
    174,665.60x = 261,998.40 × 74,808.80
  4. Step 4: Simplify right side
    174,665.60x = 19,599,785,905.92
  5. Step 5: Solve for x
    x = 19,599,785,905.92/174,665.60
  6. Step 6: Final answer
    x = 112,213.20

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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.