Home / 115,211.03-173,438.94-103,624.48

Finding the Fourth Proportional to 115,211.03, 173,438.94 and 103,624.48

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Solution

The fourth proportional to 115,211.03, 173,438.94 and 103,624.48 is: 155,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,211.03 : 173,438.94 = 103,624.48 : x
  2. Step 2: Convert to fraction form
    115,211.03/173,438.94 = 103,624.48/x
  3. Step 3: Cross multiply
    115,211.03x = 173,438.94 × 103,624.48
  4. Step 4: Simplify right side
    115,211.03x = 17,972,519,991.75
  5. Step 5: Solve for x
    x = 17,972,519,991.75/115,211.03
  6. Step 6: Final answer
    x = 155,996.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.