Home / 214,664.40-322,054.20-191,451.60

Finding the Fourth Proportional to 214,664.40, 322,054.20 and 191,451.60

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Solution

The fourth proportional to 214,664.40, 322,054.20 and 191,451.60 is: 287,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,664.40 : 322,054.20 = 191,451.60 : x
  2. Step 2: Convert to fraction form
    214,664.40/322,054.20 = 191,451.60/x
  3. Step 3: Cross multiply
    214,664.40x = 322,054.20 × 191,451.60
  4. Step 4: Simplify right side
    214,664.40x = 61,657,791,876.72
  5. Step 5: Solve for x
    x = 61,657,791,876.72/214,664.40
  6. Step 6: Final answer
    x = 287,228.77

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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.