Home / 197,515.67-272,571.45-111,492.77

Finding the Fourth Proportional to 197,515.67, 272,571.45 and 111,492.77

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Solution

The fourth proportional to 197,515.67, 272,571.45 and 111,492.77 is: 153,859.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,515.67 : 272,571.45 = 111,492.77 : x
  2. Step 2: Convert to fraction form
    197,515.67/272,571.45 = 111,492.77/x
  3. Step 3: Cross multiply
    197,515.67x = 272,571.45 × 111,492.77
  4. Step 4: Simplify right side
    197,515.67x = 30,389,744,620.56
  5. Step 5: Solve for x
    x = 30,389,744,620.56/197,515.67
  6. Step 6: Final answer
    x = 153,859.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.