Home / 165,601.60-248,467.20-60,431.20

Finding the Fourth Proportional to 165,601.60, 248,467.20 and 60,431.20

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Solution

The fourth proportional to 165,601.60, 248,467.20 and 60,431.20 is: 90,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,601.60 : 248,467.20 = 60,431.20 : x
  2. Step 2: Convert to fraction form
    165,601.60/248,467.20 = 60,431.20/x
  3. Step 3: Cross multiply
    165,601.60x = 248,467.20 × 60,431.20
  4. Step 4: Simplify right side
    165,601.60x = 15,015,171,056.64
  5. Step 5: Solve for x
    x = 15,015,171,056.64/165,601.60
  6. Step 6: Final answer
    x = 90,670.45

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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.