Home / 197,376.12-272,378.58-111,334.82

Finding the Fourth Proportional to 197,376.12, 272,378.58 and 111,334.82

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Solution

The fourth proportional to 197,376.12, 272,378.58 and 111,334.82 is: 153,641.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,376.12 : 272,378.58 = 111,334.82 : x
  2. Step 2: Convert to fraction form
    197,376.12/272,378.58 = 111,334.82/x
  3. Step 3: Cross multiply
    197,376.12x = 272,378.58 × 111,334.82
  4. Step 4: Simplify right side
    197,376.12x = 30,325,220,176.16
  5. Step 5: Solve for x
    x = 30,325,220,176.16/197,376.12
  6. Step 6: Final answer
    x = 153,641.79

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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.