Home / 174,546.30-261,646.65-85,727.10

Finding the Fourth Proportional to 174,546.30, 261,646.65 and 85,727.10

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Solution

The fourth proportional to 174,546.30, 261,646.65 and 85,727.10 is: 128,505.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,546.30 : 261,646.65 = 85,727.10 : x
  2. Step 2: Convert to fraction form
    174,546.30/261,646.65 = 85,727.10/x
  3. Step 3: Cross multiply
    174,546.30x = 261,646.65 × 85,727.10
  4. Step 4: Simplify right side
    174,546.30x = 22,430,208,529.22
  5. Step 5: Solve for x
    x = 22,430,208,529.22/174,546.30
  6. Step 6: Final answer
    x = 128,505.78

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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.