Home / 222,282.36-306,778.86-126,767.16

Finding the Fourth Proportional to 222,282.36, 306,778.86 and 126,767.16

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Solution

The fourth proportional to 222,282.36, 306,778.86 and 126,767.16 is: 174,955.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,282.36 : 306,778.86 = 126,767.16 : x
  2. Step 2: Convert to fraction form
    222,282.36/306,778.86 = 126,767.16/x
  3. Step 3: Cross multiply
    222,282.36x = 306,778.86 × 126,767.16
  4. Step 4: Simplify right side
    222,282.36x = 38,889,484,830.24
  5. Step 5: Solve for x
    x = 38,889,484,830.24/222,282.36
  6. Step 6: Final answer
    x = 174,955.34

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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.