Home / 147,228.84-220,857.30-53,712.36

Finding the Fourth Proportional to 147,228.84, 220,857.30 and 53,712.36

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Solution

The fourth proportional to 147,228.84, 220,857.30 and 53,712.36 is: 80,573.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,228.84 : 220,857.30 = 53,712.36 : x
  2. Step 2: Convert to fraction form
    147,228.84/220,857.30 = 53,712.36/x
  3. Step 3: Cross multiply
    147,228.84x = 220,857.30 × 53,712.36
  4. Step 4: Simplify right side
    147,228.84x = 11,862,766,806.23
  5. Step 5: Solve for x
    x = 11,862,766,806.23/147,228.84
  6. Step 6: Final answer
    x = 80,573.66

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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.