Home / 175,066.20-262,380.60-128,264.40

Finding the Fourth Proportional to 175,066.20, 262,380.60 and 128,264.40

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Solution

The fourth proportional to 175,066.20, 262,380.60 and 128,264.40 is: 192,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,066.20 : 262,380.60 = 128,264.40 : x
  2. Step 2: Convert to fraction form
    175,066.20/262,380.60 = 128,264.40/x
  3. Step 3: Cross multiply
    175,066.20x = 262,380.60 × 128,264.40
  4. Step 4: Simplify right side
    175,066.20x = 33,654,090,230.64
  5. Step 5: Solve for x
    x = 33,654,090,230.64/175,066.20
  6. Step 6: Final answer
    x = 192,236.37

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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.