Home / 188,420.24-260,056.68-124,760.72

Finding the Fourth Proportional to 188,420.24, 260,056.68 and 124,760.72

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Solution

The fourth proportional to 188,420.24, 260,056.68 and 124,760.72 is: 172,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,420.24 : 260,056.68 = 124,760.72 : x
  2. Step 2: Convert to fraction form
    188,420.24/260,056.68 = 124,760.72/x
  3. Step 3: Cross multiply
    188,420.24x = 260,056.68 × 124,760.72
  4. Step 4: Simplify right side
    188,420.24x = 32,444,858,637.61
  5. Step 5: Solve for x
    x = 32,444,858,637.61/188,420.24
  6. Step 6: Final answer
    x = 172,194.13

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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.