Home / 223,216.32-308,053.60-122,615.36

Finding the Fourth Proportional to 223,216.32, 308,053.60 and 122,615.36

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Solution

The fourth proportional to 223,216.32, 308,053.60 and 122,615.36 is: 169,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,216.32 : 308,053.60 = 122,615.36 : x
  2. Step 2: Convert to fraction form
    223,216.32/308,053.60 = 122,615.36/x
  3. Step 3: Cross multiply
    223,216.32x = 308,053.60 × 122,615.36
  4. Step 4: Simplify right side
    223,216.32x = 37,772,103,063.30
  5. Step 5: Solve for x
    x = 37,772,103,063.30/223,216.32
  6. Step 6: Final answer
    x = 169,217.48

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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.