Home / 197,145.89-272,061.11-106,501.85

Finding the Fourth Proportional to 197,145.89, 272,061.11 and 106,501.85

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Solution

The fourth proportional to 197,145.89, 272,061.11 and 106,501.85 is: 146,972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,145.89 : 272,061.11 = 106,501.85 : x
  2. Step 2: Convert to fraction form
    197,145.89/272,061.11 = 106,501.85/x
  3. Step 3: Cross multiply
    197,145.89x = 272,061.11 × 106,501.85
  4. Step 4: Simplify right side
    197,145.89x = 28,975,009,635.24
  5. Step 5: Solve for x
    x = 28,975,009,635.24/197,145.89
  6. Step 6: Final answer
    x = 146,972.43

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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.