Home / 165,855.48-228,739.73-140,140.01

Finding the Fourth Proportional to 165,855.48, 228,739.73 and 140,140.01

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Solution

The fourth proportional to 165,855.48, 228,739.73 and 140,140.01 is: 193,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,855.48 : 228,739.73 = 140,140.01 : x
  2. Step 2: Convert to fraction form
    165,855.48/228,739.73 = 140,140.01/x
  3. Step 3: Cross multiply
    165,855.48x = 228,739.73 × 140,140.01
  4. Step 4: Simplify right side
    165,855.48x = 32,055,586,205.20
  5. Step 5: Solve for x
    x = 32,055,586,205.20/165,855.48
  6. Step 6: Final answer
    x = 193,274.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.