Home / 101,213.23-151,718.25-34,607.81

Finding the Fourth Proportional to 101,213.23, 151,718.25 and 34,607.81

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Solution

The fourth proportional to 101,213.23, 151,718.25 and 34,607.81 is: 51,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,213.23 : 151,718.25 = 34,607.81 : x
  2. Step 2: Convert to fraction form
    101,213.23/151,718.25 = 34,607.81/x
  3. Step 3: Cross multiply
    101,213.23x = 151,718.25 × 34,607.81
  4. Step 4: Simplify right side
    101,213.23x = 5,250,636,369.53
  5. Step 5: Solve for x
    x = 5,250,636,369.53/101,213.23
  6. Step 6: Final answer
    x = 51,876.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.