Home / 113,608.12-170,223.84-69,100.24

Finding the Fourth Proportional to 113,608.12, 170,223.84 and 69,100.24

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Solution

The fourth proportional to 113,608.12, 170,223.84 and 69,100.24 is: 103,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,608.12 : 170,223.84 = 69,100.24 : x
  2. Step 2: Convert to fraction form
    113,608.12/170,223.84 = 69,100.24/x
  3. Step 3: Cross multiply
    113,608.12x = 170,223.84 × 69,100.24
  4. Step 4: Simplify right side
    113,608.12x = 11,762,508,197.72
  5. Step 5: Solve for x
    x = 11,762,508,197.72/113,608.12
  6. Step 6: Final answer
    x = 103,535.81

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1.5x scale

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.