Home / 113,125.20-169,485.39-75,571.57

Finding the Fourth Proportional to 113,125.20, 169,485.39 and 75,571.57

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Solution

The fourth proportional to 113,125.20, 169,485.39 and 75,571.57 is: 113,222.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,125.20 : 169,485.39 = 75,571.57 : x
  2. Step 2: Convert to fraction form
    113,125.20/169,485.39 = 75,571.57/x
  3. Step 3: Cross multiply
    113,125.20x = 169,485.39 × 75,571.57
  4. Step 4: Simplify right side
    113,125.20x = 12,808,277,014.36
  5. Step 5: Solve for x
    x = 12,808,277,014.36/113,125.20
  6. Step 6: Final answer
    x = 113,222.14

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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.