Home / 262,353.20-393,967.20-173,998.40

Finding the Fourth Proportional to 262,353.20, 393,967.20 and 173,998.40

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Solution

The fourth proportional to 262,353.20, 393,967.20 and 173,998.40 is: 261,287.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,353.20 : 393,967.20 = 173,998.40 : x
  2. Step 2: Convert to fraction form
    262,353.20/393,967.20 = 173,998.40/x
  3. Step 3: Cross multiply
    262,353.20x = 393,967.20 × 173,998.40
  4. Step 4: Simplify right side
    262,353.20x = 68,549,662,452.48
  5. Step 5: Solve for x
    x = 68,549,662,452.48/262,353.20
  6. Step 6: Final answer
    x = 261,287.69

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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.