Home / 147,006.09-220,560.98-53,521.29

Finding the Fourth Proportional to 147,006.09, 220,560.98 and 53,521.29

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Solution

The fourth proportional to 147,006.09, 220,560.98 and 53,521.29 is: 80,300.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,006.09 : 220,560.98 = 53,521.29 : x
  2. Step 2: Convert to fraction form
    147,006.09/220,560.98 = 53,521.29/x
  3. Step 3: Cross multiply
    147,006.09x = 220,560.98 × 53,521.29
  4. Step 4: Simplify right side
    147,006.09x = 11,804,707,905.66
  5. Step 5: Solve for x
    x = 11,804,707,905.66/147,006.09
  6. Step 6: Final answer
    x = 80,300.81

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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.