Home / 107,201.55-160,810.07-28,314.75

Finding the Fourth Proportional to 107,201.55, 160,810.07 and 28,314.75

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Solution

The fourth proportional to 107,201.55, 160,810.07 and 28,314.75 is: 42,474.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,201.55 : 160,810.07 = 28,314.75 : x
  2. Step 2: Convert to fraction form
    107,201.55/160,810.07 = 28,314.75/x
  3. Step 3: Cross multiply
    107,201.55x = 160,810.07 × 28,314.75
  4. Step 4: Simplify right side
    107,201.55x = 4,553,296,787.96
  5. Step 5: Solve for x
    x = 4,553,296,787.96/107,201.55
  6. Step 6: Final answer
    x = 42,474.17

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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.