Home / 197,647.42-272,753.88-107,004.34

Finding the Fourth Proportional to 197,647.42, 272,753.88 and 107,004.34

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Solution

The fourth proportional to 197,647.42, 272,753.88 and 107,004.34 is: 147,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,647.42 : 272,753.88 = 107,004.34 : x
  2. Step 2: Convert to fraction form
    197,647.42/272,753.88 = 107,004.34/x
  3. Step 3: Cross multiply
    197,647.42x = 272,753.88 × 107,004.34
  4. Step 4: Simplify right side
    197,647.42x = 29,185,848,911.84
  5. Step 5: Solve for x
    x = 29,185,848,911.84/197,647.42
  6. Step 6: Final answer
    x = 147,666.23

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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.