Home / 197,395.32-272,395.17-111,351.81

Finding the Fourth Proportional to 197,395.32, 272,395.17 and 111,351.81

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Solution

The fourth proportional to 197,395.32, 272,395.17 and 111,351.81 is: 153,659.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,395.32 : 272,395.17 = 111,351.81 : x
  2. Step 2: Convert to fraction form
    197,395.32/272,395.17 = 111,351.81/x
  3. Step 3: Cross multiply
    197,395.32x = 272,395.17 × 111,351.81
  4. Step 4: Simplify right side
    197,395.32x = 30,331,695,214.76
  5. Step 5: Solve for x
    x = 30,331,695,214.76/197,395.32
  6. Step 6: Final answer
    x = 153,659.65

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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.