Home / 320,205.12-441,844.80-176,945.70

Finding the Fourth Proportional to 320,205.12, 441,844.80 and 176,945.70

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Solution

The fourth proportional to 320,205.12, 441,844.80 and 176,945.70 is: 244,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,205.12 : 441,844.80 = 176,945.70 : x
  2. Step 2: Convert to fraction form
    320,205.12/441,844.80 = 176,945.70/x
  3. Step 3: Cross multiply
    320,205.12x = 441,844.80 × 176,945.70
  4. Step 4: Simplify right side
    320,205.12x = 78,182,537,427.36
  5. Step 5: Solve for x
    x = 78,182,537,427.36/320,205.12
  6. Step 6: Final answer
    x = 244,163.92

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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.