Home / 210,187.35-289,982.75-161,804.07

Finding the Fourth Proportional to 210,187.35, 289,982.75 and 161,804.07

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Solution

The fourth proportional to 210,187.35, 289,982.75 and 161,804.07 is: 223,231.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,187.35 : 289,982.75 = 161,804.07 : x
  2. Step 2: Convert to fraction form
    210,187.35/289,982.75 = 161,804.07/x
  3. Step 3: Cross multiply
    210,187.35x = 289,982.75 × 161,804.07
  4. Step 4: Simplify right side
    210,187.35x = 46,920,388,370.77
  5. Step 5: Solve for x
    x = 46,920,388,370.77/210,187.35
  6. Step 6: Final answer
    x = 223,231.27

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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.