Home / 197,701.86-272,829.85-107,057.83

Finding the Fourth Proportional to 197,701.86, 272,829.85 and 107,057.83

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Solution

The fourth proportional to 197,701.86, 272,829.85 and 107,057.83 is: 147,740.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,701.86 : 272,829.85 = 107,057.83 : x
  2. Step 2: Convert to fraction form
    197,701.86/272,829.85 = 107,057.83/x
  3. Step 3: Cross multiply
    197,701.86x = 272,829.85 × 107,057.83
  4. Step 4: Simplify right side
    197,701.86x = 29,208,571,700.23
  5. Step 5: Solve for x
    x = 29,208,571,700.23/197,701.86
  6. Step 6: Final answer
    x = 147,740.50

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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.