Home / 115,213.87-172,820.80-36,334.25

Finding the Fourth Proportional to 115,213.87, 172,820.80 and 36,334.25

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Solution

The fourth proportional to 115,213.87, 172,820.80 and 36,334.25 is: 54,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,213.87 : 172,820.80 = 36,334.25 : x
  2. Step 2: Convert to fraction form
    115,213.87/172,820.80 = 36,334.25/x
  3. Step 3: Cross multiply
    115,213.87x = 172,820.80 × 36,334.25
  4. Step 4: Simplify right side
    115,213.87x = 6,279,314,152.40
  5. Step 5: Solve for x
    x = 6,279,314,152.40/115,213.87
  6. Step 6: Final answer
    x = 54,501.37

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1.5x scale

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.