Home / 113,383.10-170,074.65-100,261.10

Finding the Fourth Proportional to 113,383.10, 170,074.65 and 100,261.10

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Solution

The fourth proportional to 113,383.10, 170,074.65 and 100,261.10 is: 150,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,383.10 : 170,074.65 = 100,261.10 : x
  2. Step 2: Convert to fraction form
    113,383.10/170,074.65 = 100,261.10/x
  3. Step 3: Cross multiply
    113,383.10x = 170,074.65 × 100,261.10
  4. Step 4: Simplify right side
    113,383.10x = 17,051,871,491.12
  5. Step 5: Solve for x
    x = 17,051,871,491.12/113,383.10
  6. Step 6: Final answer
    x = 150,391.65

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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.