Home / 260,826.40-392,114.40-222,335.20

Finding the Fourth Proportional to 260,826.40, 392,114.40 and 222,335.20

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Solution

The fourth proportional to 260,826.40, 392,114.40 and 222,335.20 is: 334,248.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,826.40 : 392,114.40 = 222,335.20 : x
  2. Step 2: Convert to fraction form
    260,826.40/392,114.40 = 222,335.20/x
  3. Step 3: Cross multiply
    260,826.40x = 392,114.40 × 222,335.20
  4. Step 4: Simplify right side
    260,826.40x = 87,180,833,546.88
  5. Step 5: Solve for x
    x = 87,180,833,546.88/260,826.40
  6. Step 6: Final answer
    x = 334,248.50

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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.