Home / 174,768.18-261,588.39-90,412.20

Finding the Fourth Proportional to 174,768.18, 261,588.39 and 90,412.20

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Solution

The fourth proportional to 174,768.18, 261,588.39 and 90,412.20 is: 135,326.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,768.18 : 261,588.39 = 90,412.20 : x
  2. Step 2: Convert to fraction form
    174,768.18/261,588.39 = 90,412.20/x
  3. Step 3: Cross multiply
    174,768.18x = 261,588.39 × 90,412.20
  4. Step 4: Simplify right side
    174,768.18x = 23,650,781,834.36
  5. Step 5: Solve for x
    x = 23,650,781,834.36/174,768.18
  6. Step 6: Final answer
    x = 135,326.59

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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.