Home / 290,286.98-400,525.92-169,359.24

Finding the Fourth Proportional to 290,286.98, 400,525.92 and 169,359.24

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Solution

The fourth proportional to 290,286.98, 400,525.92 and 169,359.24 is: 233,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,286.98 : 400,525.92 = 169,359.24 : x
  2. Step 2: Convert to fraction form
    290,286.98/400,525.92 = 169,359.24/x
  3. Step 3: Cross multiply
    290,286.98x = 400,525.92 × 169,359.24
  4. Step 4: Simplify right side
    290,286.98x = 67,832,765,411.50
  5. Step 5: Solve for x
    x = 67,832,765,411.50/290,286.98
  6. Step 6: Final answer
    x = 233,674.85

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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.