Home / 107,330.44-148,132.98-102,605.32

Finding the Fourth Proportional to 107,330.44, 148,132.98 and 102,605.32

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Solution

The fourth proportional to 107,330.44, 148,132.98 and 102,605.32 is: 141,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,330.44 : 148,132.98 = 102,605.32 : x
  2. Step 2: Convert to fraction form
    107,330.44/148,132.98 = 102,605.32/x
  3. Step 3: Cross multiply
    107,330.44x = 148,132.98 × 102,605.32
  4. Step 4: Simplify right side
    107,330.44x = 15,199,231,815.45
  5. Step 5: Solve for x
    x = 15,199,231,815.45/107,330.44
  6. Step 6: Final answer
    x = 141,611.57

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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.