Home / 197,267.28-272,162.21-112,324.20

Finding the Fourth Proportional to 197,267.28, 272,162.21 and 112,324.20

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Solution

The fourth proportional to 197,267.28, 272,162.21 and 112,324.20 is: 154,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,267.28 : 272,162.21 = 112,324.20 : x
  2. Step 2: Convert to fraction form
    197,267.28/272,162.21 = 112,324.20/x
  3. Step 3: Cross multiply
    197,267.28x = 272,162.21 × 112,324.20
  4. Step 4: Simplify right side
    197,267.28x = 30,570,401,946.86
  5. Step 5: Solve for x
    x = 30,570,401,946.86/197,267.28
  6. Step 6: Final answer
    x = 154,969.45

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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.