Home / 349,173.21-523,989.50-191,512.25

Finding the Fourth Proportional to 349,173.21, 523,989.50 and 191,512.25

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Solution

The fourth proportional to 349,173.21, 523,989.50 and 191,512.25 is: 287,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,173.21 : 523,989.50 = 191,512.25 : x
  2. Step 2: Convert to fraction form
    349,173.21/523,989.50 = 191,512.25/x
  3. Step 3: Cross multiply
    349,173.21x = 523,989.50 × 191,512.25
  4. Step 4: Simplify right side
    349,173.21x = 100,350,407,163.81
  5. Step 5: Solve for x
    x = 100,350,407,163.81/349,173.21
  6. Step 6: Final answer
    x = 287,394.35

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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.