Home / 231,966.11-320,267.45-178,154.98

Finding the Fourth Proportional to 231,966.11, 320,267.45 and 178,154.98

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Solution

The fourth proportional to 231,966.11, 320,267.45 and 178,154.98 is: 245,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,966.11 : 320,267.45 = 178,154.98 : x
  2. Step 2: Convert to fraction form
    231,966.11/320,267.45 = 178,154.98/x
  3. Step 3: Cross multiply
    231,966.11x = 320,267.45 × 178,154.98
  4. Step 4: Simplify right side
    231,966.11x = 57,057,240,794.12
  5. Step 5: Solve for x
    x = 57,057,240,794.12/231,966.11
  6. Step 6: Final answer
    x = 245,972.31

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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.