Home / 187,768.85-259,106.74-107,185.41

Finding the Fourth Proportional to 187,768.85, 259,106.74 and 107,185.41

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Solution

The fourth proportional to 187,768.85, 259,106.74 and 107,185.41 is: 147,907.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,768.85 : 259,106.74 = 107,185.41 : x
  2. Step 2: Convert to fraction form
    187,768.85/259,106.74 = 107,185.41/x
  3. Step 3: Cross multiply
    187,768.85x = 259,106.74 × 107,185.41
  4. Step 4: Simplify right side
    187,768.85x = 27,772,461,892.70
  5. Step 5: Solve for x
    x = 27,772,461,892.70/187,768.85
  6. Step 6: Final answer
    x = 147,907.72

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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.