Home / 320,101.12-441,727.64-176,858.08

Finding the Fourth Proportional to 320,101.12, 441,727.64 and 176,858.08

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Solution

The fourth proportional to 320,101.12, 441,727.64 and 176,858.08 is: 244,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,101.12 : 441,727.64 = 176,858.08 : x
  2. Step 2: Convert to fraction form
    320,101.12/441,727.64 = 176,858.08/x
  3. Step 3: Cross multiply
    320,101.12x = 441,727.64 × 176,858.08
  4. Step 4: Simplify right side
    320,101.12x = 78,123,102,293.33
  5. Step 5: Solve for x
    x = 78,123,102,293.33/320,101.12
  6. Step 6: Final answer
    x = 244,057.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.