Home / 269,619.40-404,429.10-169,892.20

Finding the Fourth Proportional to 269,619.40, 404,429.10 and 169,892.20

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Solution

The fourth proportional to 269,619.40, 404,429.10 and 169,892.20 is: 254,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,619.40 : 404,429.10 = 169,892.20 : x
  2. Step 2: Convert to fraction form
    269,619.40/404,429.10 = 169,892.20/x
  3. Step 3: Cross multiply
    269,619.40x = 404,429.10 × 169,892.20
  4. Step 4: Simplify right side
    269,619.40x = 68,709,349,543.02
  5. Step 5: Solve for x
    x = 68,709,349,543.02/269,619.40
  6. Step 6: Final answer
    x = 254,838.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.