Home / 165,933.60-248,900.40-55,125.60

Finding the Fourth Proportional to 165,933.60, 248,900.40 and 55,125.60

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Solution

The fourth proportional to 165,933.60, 248,900.40 and 55,125.60 is: 82,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,933.60 : 248,900.40 = 55,125.60 : x
  2. Step 2: Convert to fraction form
    165,933.60/248,900.40 = 55,125.60/x
  3. Step 3: Cross multiply
    165,933.60x = 248,900.40 × 55,125.60
  4. Step 4: Simplify right side
    165,933.60x = 13,720,783,890.24
  5. Step 5: Solve for x
    x = 13,720,783,890.24/165,933.60
  6. Step 6: Final answer
    x = 82,688.40

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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.