Home / 290,529.36-400,860.09-169,601.49

Finding the Fourth Proportional to 290,529.36, 400,860.09 and 169,601.49

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Solution

The fourth proportional to 290,529.36, 400,860.09 and 169,601.49 is: 234,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,529.36 : 400,860.09 = 169,601.49 : x
  2. Step 2: Convert to fraction form
    290,529.36/400,860.09 = 169,601.49/x
  3. Step 3: Cross multiply
    290,529.36x = 400,860.09 × 169,601.49
  4. Step 4: Simplify right side
    290,529.36x = 67,986,468,545.53
  5. Step 5: Solve for x
    x = 67,986,468,545.53/290,529.36
  6. Step 6: Final answer
    x = 234,008.94

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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.