Home / 209,973.06-289,764.14-114,481.35

Finding the Fourth Proportional to 209,973.06, 289,764.14 and 114,481.35

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Solution

The fourth proportional to 209,973.06, 289,764.14 and 114,481.35 is: 157,984.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,973.06 : 289,764.14 = 114,481.35 : x
  2. Step 2: Convert to fraction form
    209,973.06/289,764.14 = 114,481.35/x
  3. Step 3: Cross multiply
    209,973.06x = 289,764.14 × 114,481.35
  4. Step 4: Simplify right side
    209,973.06x = 33,172,589,356.38
  5. Step 5: Solve for x
    x = 33,172,589,356.38/209,973.06
  6. Step 6: Final answer
    x = 157,984.98

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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.