Home / 197,837.10-273,109.80-112,937.76

Finding the Fourth Proportional to 197,837.10, 273,109.80 and 112,937.76

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Solution

The fourth proportional to 197,837.10, 273,109.80 and 112,937.76 is: 155,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,837.10 : 273,109.80 = 112,937.76 : x
  2. Step 2: Convert to fraction form
    197,837.10/273,109.80 = 112,937.76/x
  3. Step 3: Cross multiply
    197,837.10x = 273,109.80 × 112,937.76
  4. Step 4: Simplify right side
    197,837.10x = 30,844,409,046.05
  5. Step 5: Solve for x
    x = 30,844,409,046.05/197,837.10
  6. Step 6: Final answer
    x = 155,908.11

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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.