Home / 107,003.40-160,310.70-87,174.60

Finding the Fourth Proportional to 107,003.40, 160,310.70 and 87,174.60

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Solution

The fourth proportional to 107,003.40, 160,310.70 and 87,174.60 is: 130,603.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,003.40 : 160,310.70 = 87,174.60 : x
  2. Step 2: Convert to fraction form
    107,003.40/160,310.70 = 87,174.60/x
  3. Step 3: Cross multiply
    107,003.40x = 160,310.70 × 87,174.60
  4. Step 4: Simplify right side
    107,003.40x = 13,975,021,148.22
  5. Step 5: Solve for x
    x = 13,975,021,148.22/107,003.40
  6. Step 6: Final answer
    x = 130,603.52

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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.