Home / 209,670.94-289,349.20-114,177.56

Finding the Fourth Proportional to 209,670.94, 289,349.20 and 114,177.56

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Solution

The fourth proportional to 209,670.94, 289,349.20 and 114,177.56 is: 157,566.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,670.94 : 289,349.20 = 114,177.56 : x
  2. Step 2: Convert to fraction form
    209,670.94/289,349.20 = 114,177.56/x
  3. Step 3: Cross multiply
    209,670.94x = 289,349.20 × 114,177.56
  4. Step 4: Simplify right side
    209,670.94x = 33,037,185,073.06
  5. Step 5: Solve for x
    x = 33,037,185,073.06/209,670.94
  6. Step 6: Final answer
    x = 157,566.83

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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.