Home / 210,112.31-289,954.59-114,618.98

Finding the Fourth Proportional to 210,112.31, 289,954.59 and 114,618.98

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Solution

The fourth proportional to 210,112.31, 289,954.59 and 114,618.98 is: 158,173.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,112.31 : 289,954.59 = 114,618.98 : x
  2. Step 2: Convert to fraction form
    210,112.31/289,954.59 = 114,618.98/x
  3. Step 3: Cross multiply
    210,112.31x = 289,954.59 × 114,618.98
  4. Step 4: Simplify right side
    210,112.31x = 33,234,297,902.35
  5. Step 5: Solve for x
    x = 33,234,297,902.35/210,112.31
  6. Step 6: Final answer
    x = 158,173.97

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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.