Home / 262,235.20-393,322.56-72,709.60

Finding the Fourth Proportional to 262,235.20, 393,322.56 and 72,709.60

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Solution

The fourth proportional to 262,235.20, 393,322.56 and 72,709.60 is: 109,056.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,235.20 : 393,322.56 = 72,709.60 : x
  2. Step 2: Convert to fraction form
    262,235.20/393,322.56 = 72,709.60/x
  3. Step 3: Cross multiply
    262,235.20x = 393,322.56 × 72,709.60
  4. Step 4: Simplify right side
    262,235.20x = 28,598,326,008.58
  5. Step 5: Solve for x
    x = 28,598,326,008.58/262,235.20
  6. Step 6: Final answer
    x = 109,056.02

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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.