Home / 210,121.67-289,968.59-114,630.37

Finding the Fourth Proportional to 210,121.67, 289,968.59 and 114,630.37

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Solution

The fourth proportional to 210,121.67, 289,968.59 and 114,630.37 is: 158,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,121.67 : 289,968.59 = 114,630.37 : x
  2. Step 2: Convert to fraction form
    210,121.67/289,968.59 = 114,630.37/x
  3. Step 3: Cross multiply
    210,121.67x = 289,968.59 × 114,630.37
  4. Step 4: Simplify right side
    210,121.67x = 33,239,206,760.08
  5. Step 5: Solve for x
    x = 33,239,206,760.08/210,121.67
  6. Step 6: Final answer
    x = 158,190.28

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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.