Home / 187,789.07-259,159.88-106,115.24

Finding the Fourth Proportional to 187,789.07, 259,159.88 and 106,115.24

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Solution

The fourth proportional to 187,789.07, 259,159.88 and 106,115.24 is: 146,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,789.07 : 259,159.88 = 106,115.24 : x
  2. Step 2: Convert to fraction form
    187,789.07/259,159.88 = 106,115.24/x
  3. Step 3: Cross multiply
    187,789.07x = 259,159.88 × 106,115.24
  4. Step 4: Simplify right side
    187,789.07x = 27,500,813,777.76
  5. Step 5: Solve for x
    x = 27,500,813,777.76/187,789.07
  6. Step 6: Final answer
    x = 146,445.23

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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.