Home / 214,957.95-322,436.53-57,186.40

Finding the Fourth Proportional to 214,957.95, 322,436.53 and 57,186.40

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Solution

The fourth proportional to 214,957.95, 322,436.53 and 57,186.40 is: 85,779.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,957.95 : 322,436.53 = 57,186.40 : x
  2. Step 2: Convert to fraction form
    214,957.95/322,436.53 = 57,186.40/x
  3. Step 3: Cross multiply
    214,957.95x = 322,436.53 × 57,186.40
  4. Step 4: Simplify right side
    214,957.95x = 18,438,982,767.01
  5. Step 5: Solve for x
    x = 18,438,982,767.01/214,957.95
  6. Step 6: Final answer
    x = 85,779.49

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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.