Home / 174,313.20-261,642.60-85,666.80

Finding the Fourth Proportional to 174,313.20, 261,642.60 and 85,666.80

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Solution

The fourth proportional to 174,313.20, 261,642.60 and 85,666.80 is: 128,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,313.20 : 261,642.60 = 85,666.80 : x
  2. Step 2: Convert to fraction form
    174,313.20/261,642.60 = 85,666.80/x
  3. Step 3: Cross multiply
    174,313.20x = 261,642.60 × 85,666.80
  4. Step 4: Simplify right side
    174,313.20x = 22,414,084,285.68
  5. Step 5: Solve for x
    x = 22,414,084,285.68/174,313.20
  6. Step 6: Final answer
    x = 128,585.12

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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.