Home / 147,113.73-220,703.40-53,619.48

Finding the Fourth Proportional to 147,113.73, 220,703.40 and 53,619.48

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Solution

The fourth proportional to 147,113.73, 220,703.40 and 53,619.48 is: 80,441.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,113.73 : 220,703.40 = 53,619.48 : x
  2. Step 2: Convert to fraction form
    147,113.73/220,703.40 = 53,619.48/x
  3. Step 3: Cross multiply
    147,113.73x = 220,703.40 × 53,619.48
  4. Step 4: Simplify right side
    147,113.73x = 11,834,001,542.23
  5. Step 5: Solve for x
    x = 11,834,001,542.23/147,113.73
  6. Step 6: Final answer
    x = 80,441.18

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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.