Home / 213,401.04-320,259.43-101,081.84

Finding the Fourth Proportional to 213,401.04, 320,259.43 and 101,081.84

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Solution

The fourth proportional to 213,401.04, 320,259.43 and 101,081.84 is: 151,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,401.04 : 320,259.43 = 101,081.84 : x
  2. Step 2: Convert to fraction form
    213,401.04/320,259.43 = 101,081.84/x
  3. Step 3: Cross multiply
    213,401.04x = 320,259.43 × 101,081.84
  4. Step 4: Simplify right side
    213,401.04x = 32,372,413,388.75
  5. Step 5: Solve for x
    x = 32,372,413,388.75/213,401.04
  6. Step 6: Final answer
    x = 151,697.55

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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.