Home / 205,485.62-283,657.46-124,938.88

Finding the Fourth Proportional to 205,485.62, 283,657.46 and 124,938.88

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Solution

The fourth proportional to 205,485.62, 283,657.46 and 124,938.88 is: 172,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,485.62 : 283,657.46 = 124,938.88 : x
  2. Step 2: Convert to fraction form
    205,485.62/283,657.46 = 124,938.88/x
  3. Step 3: Cross multiply
    205,485.62x = 283,657.46 × 124,938.88
  4. Step 4: Simplify right side
    205,485.62x = 35,439,845,668.39
  5. Step 5: Solve for x
    x = 35,439,845,668.39/205,485.62
  6. Step 6: Final answer
    x = 172,468.74

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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.