Home / 209,539.74-289,164.02-114,047.22

Finding the Fourth Proportional to 209,539.74, 289,164.02 and 114,047.22

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Solution

The fourth proportional to 209,539.74, 289,164.02 and 114,047.22 is: 157,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,539.74 : 289,164.02 = 114,047.22 : x
  2. Step 2: Convert to fraction form
    209,539.74/289,164.02 = 114,047.22/x
  3. Step 3: Cross multiply
    209,539.74x = 289,164.02 × 114,047.22
  4. Step 4: Simplify right side
    209,539.74x = 32,978,352,034.79
  5. Step 5: Solve for x
    x = 32,978,352,034.79/209,539.74
  6. Step 6: Final answer
    x = 157,384.71

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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.