Home / 115,867.70-173,801.55-93,317.30

Finding the Fourth Proportional to 115,867.70, 173,801.55 and 93,317.30

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Solution

The fourth proportional to 115,867.70, 173,801.55 and 93,317.30 is: 139,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,867.70 : 173,801.55 = 93,317.30 : x
  2. Step 2: Convert to fraction form
    115,867.70/173,801.55 = 93,317.30/x
  3. Step 3: Cross multiply
    115,867.70x = 173,801.55 × 93,317.30
  4. Step 4: Simplify right side
    115,867.70x = 16,218,691,381.82
  5. Step 5: Solve for x
    x = 16,218,691,381.82/115,867.70
  6. Step 6: Final answer
    x = 139,975.95

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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.