Home / 236,429.40-354,356.10-103,027.80

Finding the Fourth Proportional to 236,429.40, 354,356.10 and 103,027.80

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Solution

The fourth proportional to 236,429.40, 354,356.10 and 103,027.80 is: 154,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,429.40 : 354,356.10 = 103,027.80 : x
  2. Step 2: Convert to fraction form
    236,429.40/354,356.10 = 103,027.80/x
  3. Step 3: Cross multiply
    236,429.40x = 354,356.10 × 103,027.80
  4. Step 4: Simplify right side
    236,429.40x = 36,508,529,399.58
  5. Step 5: Solve for x
    x = 36,508,529,399.58/236,429.40
  6. Step 6: Final answer
    x = 154,416.20

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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.