Home / 222,790.97-307,453.93-120,816.63

Finding the Fourth Proportional to 222,790.97, 307,453.93 and 120,816.63

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Solution

The fourth proportional to 222,790.97, 307,453.93 and 120,816.63 is: 166,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,790.97 : 307,453.93 = 120,816.63 : x
  2. Step 2: Convert to fraction form
    222,790.97/307,453.93 = 120,816.63/x
  3. Step 3: Cross multiply
    222,790.97x = 307,453.93 × 120,816.63
  4. Step 4: Simplify right side
    222,790.97x = 37,145,547,400.81
  5. Step 5: Solve for x
    x = 37,145,547,400.81/222,790.97
  6. Step 6: Final answer
    x = 166,728.24

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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.