Home / 197,554.68-272,608.24-115,899.39

Finding the Fourth Proportional to 197,554.68, 272,608.24 and 115,899.39

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Solution

The fourth proportional to 197,554.68, 272,608.24 and 115,899.39 is: 159,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,554.68 : 272,608.24 = 115,899.39 : x
  2. Step 2: Convert to fraction form
    197,554.68/272,608.24 = 115,899.39/x
  3. Step 3: Cross multiply
    197,554.68x = 272,608.24 × 115,899.39
  4. Step 4: Simplify right side
    197,554.68x = 31,595,128,724.97
  5. Step 5: Solve for x
    x = 31,595,128,724.97/197,554.68
  6. Step 6: Final answer
    x = 159,931.06

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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.