Home / 146,147.88-201,820.37-107,569.20

Finding the Fourth Proportional to 146,147.88, 201,820.37 and 107,569.20

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Solution

The fourth proportional to 146,147.88, 201,820.37 and 107,569.20 is: 148,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,147.88 : 201,820.37 = 107,569.20 : x
  2. Step 2: Convert to fraction form
    146,147.88/201,820.37 = 107,569.20/x
  3. Step 3: Cross multiply
    146,147.88x = 201,820.37 × 107,569.20
  4. Step 4: Simplify right side
    146,147.88x = 21,709,655,206.76
  5. Step 5: Solve for x
    x = 21,709,655,206.76/146,147.88
  6. Step 6: Final answer
    x = 148,545.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.