Home / 262,021.10-393,327.30-173,447.60

Finding the Fourth Proportional to 262,021.10, 393,327.30 and 173,447.60

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Solution

The fourth proportional to 262,021.10, 393,327.30 and 173,447.60 is: 260,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,021.10 : 393,327.30 = 173,447.60 : x
  2. Step 2: Convert to fraction form
    262,021.10/393,327.30 = 173,447.60/x
  3. Step 3: Cross multiply
    262,021.10x = 393,327.30 × 173,447.60
  4. Step 4: Simplify right side
    262,021.10x = 68,221,676,199.48
  5. Step 5: Solve for x
    x = 68,221,676,199.48/262,021.10
  6. Step 6: Final answer
    x = 260,367.11

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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.