Home / 107,087.84-160,504.32-80,705.60

Finding the Fourth Proportional to 107,087.84, 160,504.32 and 80,705.60

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Solution

The fourth proportional to 107,087.84, 160,504.32 and 80,705.60 is: 120,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,087.84 : 160,504.32 = 80,705.60 : x
  2. Step 2: Convert to fraction form
    107,087.84/160,504.32 = 80,705.60/x
  3. Step 3: Cross multiply
    107,087.84x = 160,504.32 × 80,705.60
  4. Step 4: Simplify right side
    107,087.84x = 12,953,597,448.19
  5. Step 5: Solve for x
    x = 12,953,597,448.19/107,087.84
  6. Step 6: Final answer
    x = 120,962.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.