Home / 197,305.47-272,308.20-111,282.10

Finding the Fourth Proportional to 197,305.47, 272,308.20 and 111,282.10

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Solution

The fourth proportional to 197,305.47, 272,308.20 and 111,282.10 is: 153,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,305.47 : 272,308.20 = 111,282.10 : x
  2. Step 2: Convert to fraction form
    197,305.47/272,308.20 = 111,282.10/x
  3. Step 3: Cross multiply
    197,305.47x = 272,308.20 × 111,282.10
  4. Step 4: Simplify right side
    197,305.47x = 30,303,028,343.22
  5. Step 5: Solve for x
    x = 30,303,028,343.22/197,305.47
  6. Step 6: Final answer
    x = 153,584.33

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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.