Home / 210,186.03-289,980.91-161,802.75

Finding the Fourth Proportional to 210,186.03, 289,980.91 and 161,802.75

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Solution

The fourth proportional to 210,186.03, 289,980.91 and 161,802.75 is: 223,229.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,186.03 : 289,980.91 = 161,802.75 : x
  2. Step 2: Convert to fraction form
    210,186.03/289,980.91 = 161,802.75/x
  3. Step 3: Cross multiply
    210,186.03x = 289,980.91 × 161,802.75
  4. Step 4: Simplify right side
    210,186.03x = 46,919,708,685.50
  5. Step 5: Solve for x
    x = 46,919,708,685.50/210,186.03
  6. Step 6: Final answer
    x = 223,229.43

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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.