Home / 106,150.48-146,490.09-57,755.14

Finding the Fourth Proportional to 106,150.48, 146,490.09 and 57,755.14

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Solution

The fourth proportional to 106,150.48, 146,490.09 and 57,755.14 is: 79,703.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,150.48 : 146,490.09 = 57,755.14 : x
  2. Step 2: Convert to fraction form
    106,150.48/146,490.09 = 57,755.14/x
  3. Step 3: Cross multiply
    106,150.48x = 146,490.09 × 57,755.14
  4. Step 4: Simplify right side
    106,150.48x = 8,460,555,656.56
  5. Step 5: Solve for x
    x = 8,460,555,656.56/106,150.48
  6. Step 6: Final answer
    x = 79,703.41

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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.