Home / 180,909.47-271,388.18-67,041.50

Finding the Fourth Proportional to 180,909.47, 271,388.18 and 67,041.50

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Solution

The fourth proportional to 180,909.47, 271,388.18 and 67,041.50 is: 100,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,909.47 : 271,388.18 = 67,041.50 : x
  2. Step 2: Convert to fraction form
    180,909.47/271,388.18 = 67,041.50/x
  3. Step 3: Cross multiply
    180,909.47x = 271,388.18 × 67,041.50
  4. Step 4: Simplify right side
    180,909.47x = 18,194,269,480.13
  5. Step 5: Solve for x
    x = 18,194,269,480.13/180,909.47
  6. Step 6: Final answer
    x = 100,571.13

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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.