Home / 197,678.97-272,685.55-125,059.32

Finding the Fourth Proportional to 197,678.97, 272,685.55 and 125,059.32

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Solution

The fourth proportional to 197,678.97, 272,685.55 and 125,059.32 is: 172,511.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,678.97 : 272,685.55 = 125,059.32 : x
  2. Step 2: Convert to fraction form
    197,678.97/272,685.55 = 125,059.32/x
  3. Step 3: Cross multiply
    197,678.97x = 272,685.55 × 125,059.32
  4. Step 4: Simplify right side
    197,678.97x = 34,101,869,456.83
  5. Step 5: Solve for x
    x = 34,101,869,456.83/197,678.97
  6. Step 6: Final answer
    x = 172,511.37

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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.