Home / 223,116.96-307,870.41-131,240.39

Finding the Fourth Proportional to 223,116.96, 307,870.41 and 131,240.39

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Solution

The fourth proportional to 223,116.96, 307,870.41 and 131,240.39 is: 181,093.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,116.96 : 307,870.41 = 131,240.39 : x
  2. Step 2: Convert to fraction form
    223,116.96/307,870.41 = 131,240.39/x
  3. Step 3: Cross multiply
    223,116.96x = 307,870.41 × 131,240.39
  4. Step 4: Simplify right side
    223,116.96x = 40,405,031,138.51
  5. Step 5: Solve for x
    x = 40,405,031,138.51/223,116.96
  6. Step 6: Final answer
    x = 181,093.50

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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.