Home / 214,925.40-322,388.10-108,637.20

Finding the Fourth Proportional to 214,925.40, 322,388.10 and 108,637.20

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Solution

The fourth proportional to 214,925.40, 322,388.10 and 108,637.20 is: 162,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,925.40 : 322,388.10 = 108,637.20 : x
  2. Step 2: Convert to fraction form
    214,925.40/322,388.10 = 108,637.20/x
  3. Step 3: Cross multiply
    214,925.40x = 322,388.10 × 108,637.20
  4. Step 4: Simplify right side
    214,925.40x = 35,023,340,497.32
  5. Step 5: Solve for x
    x = 35,023,340,497.32/214,925.40
  6. Step 6: Final answer
    x = 162,955.80

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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.