Home / 245,015.72-367,537.43-87,244.19

Finding the Fourth Proportional to 245,015.72, 367,537.43 and 87,244.19

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Solution

The fourth proportional to 245,015.72, 367,537.43 and 87,244.19 is: 130,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,015.72 : 367,537.43 = 87,244.19 : x
  2. Step 2: Convert to fraction form
    245,015.72/367,537.43 = 87,244.19/x
  3. Step 3: Cross multiply
    245,015.72x = 367,537.43 × 87,244.19
  4. Step 4: Simplify right side
    245,015.72x = 32,065,505,133.72
  5. Step 5: Solve for x
    x = 32,065,505,133.72/245,015.72
  6. Step 6: Final answer
    x = 130,871.22

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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.