Home / 197,259.53-272,212.67-111,217.77

Finding the Fourth Proportional to 197,259.53, 272,212.67 and 111,217.77

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Solution

The fourth proportional to 197,259.53, 272,212.67 and 111,217.77 is: 153,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,259.53 : 272,212.67 = 111,217.77 : x
  2. Step 2: Convert to fraction form
    197,259.53/272,212.67 = 111,217.77/x
  3. Step 3: Cross multiply
    197,259.53x = 272,212.67 × 111,217.77
  4. Step 4: Simplify right side
    197,259.53x = 30,274,886,401.19
  5. Step 5: Solve for x
    x = 30,274,886,401.19/197,259.53
  6. Step 6: Final answer
    x = 153,477.44

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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.