Home / 165,944.80-248,917.20-153,114.40

Finding the Fourth Proportional to 165,944.80, 248,917.20 and 153,114.40

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Solution

The fourth proportional to 165,944.80, 248,917.20 and 153,114.40 is: 229,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,944.80 : 248,917.20 = 153,114.40 : x
  2. Step 2: Convert to fraction form
    165,944.80/248,917.20 = 153,114.40/x
  3. Step 3: Cross multiply
    165,944.80x = 248,917.20 × 153,114.40
  4. Step 4: Simplify right side
    165,944.80x = 38,112,807,727.68
  5. Step 5: Solve for x
    x = 38,112,807,727.68/165,944.80
  6. Step 6: Final answer
    x = 229,671.60

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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.