Home / 174,329.20-261,666.60-85,682.80

Finding the Fourth Proportional to 174,329.20, 261,666.60 and 85,682.80

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Solution

The fourth proportional to 174,329.20, 261,666.60 and 85,682.80 is: 128,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,329.20 : 261,666.60 = 85,682.80 : x
  2. Step 2: Convert to fraction form
    174,329.20/261,666.60 = 85,682.80/x
  3. Step 3: Cross multiply
    174,329.20x = 261,666.60 × 85,682.80
  4. Step 4: Simplify right side
    174,329.20x = 22,420,326,954.48
  5. Step 5: Solve for x
    x = 22,420,326,954.48/174,329.20
  6. Step 6: Final answer
    x = 128,609.13

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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.