Home / 214,962.60-322,438.40-57,192.40

Finding the Fourth Proportional to 214,962.60, 322,438.40 and 57,192.40

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Solution

The fourth proportional to 214,962.60, 322,438.40 and 57,192.40 is: 85,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,962.60 : 322,438.40 = 57,192.40 : x
  2. Step 2: Convert to fraction form
    214,962.60/322,438.40 = 57,192.40/x
  3. Step 3: Cross multiply
    214,962.60x = 322,438.40 × 57,192.40
  4. Step 4: Simplify right side
    214,962.60x = 18,441,025,948.16
  5. Step 5: Solve for x
    x = 18,441,025,948.16/214,962.60
  6. Step 6: Final answer
    x = 85,787.14

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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.