Home / 220,407.75-304,195.94-134,416.62

Finding the Fourth Proportional to 220,407.75, 304,195.94 and 134,416.62

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Solution

The fourth proportional to 220,407.75, 304,195.94 and 134,416.62 is: 185,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,407.75 : 304,195.94 = 134,416.62 : x
  2. Step 2: Convert to fraction form
    220,407.75/304,195.94 = 134,416.62/x
  3. Step 3: Cross multiply
    220,407.75x = 304,195.94 × 134,416.62
  4. Step 4: Simplify right side
    220,407.75x = 40,888,989,400.44
  5. Step 5: Solve for x
    x = 40,888,989,400.44/220,407.75
  6. Step 6: Final answer
    x = 185,515.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.