Home / 107,189.94-160,770.03-75,071.72

Finding the Fourth Proportional to 107,189.94, 160,770.03 and 75,071.72

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Solution

The fourth proportional to 107,189.94, 160,770.03 and 75,071.72 is: 112,597.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,189.94 : 160,770.03 = 75,071.72 : x
  2. Step 2: Convert to fraction form
    107,189.94/160,770.03 = 75,071.72/x
  3. Step 3: Cross multiply
    107,189.94x = 160,770.03 × 75,071.72
  4. Step 4: Simplify right side
    107,189.94x = 12,069,282,796.96
  5. Step 5: Solve for x
    x = 12,069,282,796.96/107,189.94
  6. Step 6: Final answer
    x = 112,597.16

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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.