Home / 113,571.60-170,228.20-69,100.32

Finding the Fourth Proportional to 113,571.60, 170,228.20 and 69,100.32

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Solution

The fourth proportional to 113,571.60, 170,228.20 and 69,100.32 is: 103,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,571.60 : 170,228.20 = 69,100.32 : x
  2. Step 2: Convert to fraction form
    113,571.60/170,228.20 = 69,100.32/x
  3. Step 3: Cross multiply
    113,571.60x = 170,228.20 × 69,100.32
  4. Step 4: Simplify right side
    113,571.60x = 11,762,823,093.02
  5. Step 5: Solve for x
    x = 11,762,823,093.02/113,571.60
  6. Step 6: Final answer
    x = 103,571.87

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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.