Home / 146,151.36-201,688.56-79,083.36

Finding the Fourth Proportional to 146,151.36, 201,688.56 and 79,083.36

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Solution

The fourth proportional to 146,151.36, 201,688.56 and 79,083.36 is: 109,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,151.36 : 201,688.56 = 79,083.36 : x
  2. Step 2: Convert to fraction form
    146,151.36/201,688.56 = 79,083.36/x
  3. Step 3: Cross multiply
    146,151.36x = 201,688.56 × 79,083.36
  4. Step 4: Simplify right side
    146,151.36x = 15,950,208,998.36
  5. Step 5: Solve for x
    x = 15,950,208,998.36/146,151.36
  6. Step 6: Final answer
    x = 109,134.87

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1.5x scale

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.