Home / 210,119.18-289,959.60-114,629.24

Finding the Fourth Proportional to 210,119.18, 289,959.60 and 114,629.24

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Solution

The fourth proportional to 210,119.18, 289,959.60 and 114,629.24 is: 158,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,119.18 : 289,959.60 = 114,629.24 : x
  2. Step 2: Convert to fraction form
    210,119.18/289,959.60 = 114,629.24/x
  3. Step 3: Cross multiply
    210,119.18x = 289,959.60 × 114,629.24
  4. Step 4: Simplify right side
    210,119.18x = 33,237,848,578.70
  5. Step 5: Solve for x
    x = 33,237,848,578.70/210,119.18
  6. Step 6: Final answer
    x = 158,185.70

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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.