Home / 101,526.19-152,122.82-71,890.82

Finding the Fourth Proportional to 101,526.19, 152,122.82 and 71,890.82

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Solution

The fourth proportional to 101,526.19, 152,122.82 and 71,890.82 is: 107,718.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,526.19 : 152,122.82 = 71,890.82 : x
  2. Step 2: Convert to fraction form
    101,526.19/152,122.82 = 71,890.82/x
  3. Step 3: Cross multiply
    101,526.19x = 152,122.82 × 71,890.82
  4. Step 4: Simplify right side
    101,526.19x = 10,936,234,270.51
  5. Step 5: Solve for x
    x = 10,936,234,270.51/101,526.19
  6. Step 6: Final answer
    x = 107,718.36

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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.