Home / 113,571.58-170,228.22-69,100.34

Finding the Fourth Proportional to 113,571.58, 170,228.22 and 69,100.34

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Solution

The fourth proportional to 113,571.58, 170,228.22 and 69,100.34 is: 103,571.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,571.58 : 170,228.22 = 69,100.34 : x
  2. Step 2: Convert to fraction form
    113,571.58/170,228.22 = 69,100.34/x
  3. Step 3: Cross multiply
    113,571.58x = 170,228.22 × 69,100.34
  4. Step 4: Simplify right side
    113,571.58x = 11,762,827,879.59
  5. Step 5: Solve for x
    x = 11,762,827,879.59/113,571.58
  6. Step 6: Final answer
    x = 103,571.93

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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.