Home / 197,341.07-272,455.19-136,890.56

Finding the Fourth Proportional to 197,341.07, 272,455.19 and 136,890.56

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Solution

The fourth proportional to 197,341.07, 272,455.19 and 136,890.56 is: 188,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,341.07 : 272,455.19 = 136,890.56 : x
  2. Step 2: Convert to fraction form
    197,341.07/272,455.19 = 136,890.56/x
  3. Step 3: Cross multiply
    197,341.07x = 272,455.19 × 136,890.56
  4. Step 4: Simplify right side
    197,341.07x = 37,296,541,487.28
  5. Step 5: Solve for x
    x = 37,296,541,487.28/197,341.07
  6. Step 6: Final answer
    x = 188,995.34

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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.