Home / 197,699.15-272,826.13-107,055.12

Finding the Fourth Proportional to 197,699.15, 272,826.13 and 107,055.12

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Solution

The fourth proportional to 197,699.15, 272,826.13 and 107,055.12 is: 147,736.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,699.15 : 272,826.13 = 107,055.12 : x
  2. Step 2: Convert to fraction form
    197,699.15/272,826.13 = 107,055.12/x
  3. Step 3: Cross multiply
    197,699.15x = 272,826.13 × 107,055.12
  4. Step 4: Simplify right side
    197,699.15x = 29,207,434,086.29
  5. Step 5: Solve for x
    x = 29,207,434,086.29/197,699.15
  6. Step 6: Final answer
    x = 147,736.77

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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.