Home / 260,825.40-392,112.90-222,334.20

Finding the Fourth Proportional to 260,825.40, 392,112.90 and 222,334.20

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Solution

The fourth proportional to 260,825.40, 392,112.90 and 222,334.20 is: 334,247.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,825.40 : 392,112.90 = 222,334.20 : x
  2. Step 2: Convert to fraction form
    260,825.40/392,112.90 = 222,334.20/x
  3. Step 3: Cross multiply
    260,825.40x = 392,112.90 × 222,334.20
  4. Step 4: Simplify right side
    260,825.40x = 87,180,107,931.18
  5. Step 5: Solve for x
    x = 87,180,107,931.18/260,825.40
  6. Step 6: Final answer
    x = 334,247.00

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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.