Home / 222,117.84-306,515.52-121,509.36

Finding the Fourth Proportional to 222,117.84, 306,515.52 and 121,509.36

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Solution

The fourth proportional to 222,117.84, 306,515.52 and 121,509.36 is: 167,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,117.84 : 306,515.52 = 121,509.36 : x
  2. Step 2: Convert to fraction form
    222,117.84/306,515.52 = 121,509.36/x
  3. Step 3: Cross multiply
    222,117.84x = 306,515.52 × 121,509.36
  4. Step 4: Simplify right side
    222,117.84x = 37,244,504,665.27
  5. Step 5: Solve for x
    x = 37,244,504,665.27/222,117.84
  6. Step 6: Final answer
    x = 167,679.03

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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.