Home / 197,374.50-272,383.32-107,950.50

Finding the Fourth Proportional to 197,374.50, 272,383.32 and 107,950.50

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Solution

The fourth proportional to 197,374.50, 272,383.32 and 107,950.50 is: 148,975.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,374.50 : 272,383.32 = 107,950.50 : x
  2. Step 2: Convert to fraction form
    197,374.50/272,383.32 = 107,950.50/x
  3. Step 3: Cross multiply
    197,374.50x = 272,383.32 × 107,950.50
  4. Step 4: Simplify right side
    197,374.50x = 29,403,915,585.66
  5. Step 5: Solve for x
    x = 29,403,915,585.66/197,374.50
  6. Step 6: Final answer
    x = 148,975.25

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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.