Home / 223,218.32-308,056.36-122,617.36

Finding the Fourth Proportional to 223,218.32, 308,056.36 and 122,617.36

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Solution

The fourth proportional to 223,218.32, 308,056.36 and 122,617.36 is: 169,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,218.32 : 308,056.36 = 122,617.36 : x
  2. Step 2: Convert to fraction form
    223,218.32/308,056.36 = 122,617.36/x
  3. Step 3: Cross multiply
    223,218.32x = 308,056.36 × 122,617.36
  4. Step 4: Simplify right side
    223,218.32x = 37,773,057,594.41
  5. Step 5: Solve for x
    x = 37,773,057,594.41/223,218.32
  6. Step 6: Final answer
    x = 169,220.24

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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.