Home / 197,515.92-272,571.80-111,493.01

Finding the Fourth Proportional to 197,515.92, 272,571.80 and 111,493.01

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Solution

The fourth proportional to 197,515.92, 272,571.80 and 111,493.01 is: 153,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,515.92 : 272,571.80 = 111,493.01 : x
  2. Step 2: Convert to fraction form
    197,515.92/272,571.80 = 111,493.01/x
  3. Step 3: Cross multiply
    197,515.92x = 272,571.80 × 111,493.01
  4. Step 4: Simplify right side
    197,515.92x = 30,389,850,423.12
  5. Step 5: Solve for x
    x = 30,389,850,423.12/197,515.92
  6. Step 6: Final answer
    x = 153,860.26

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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.