Home / 222,056.02-306,436.80-121,454.02

Finding the Fourth Proportional to 222,056.02, 306,436.80 and 121,454.02

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Solution

The fourth proportional to 222,056.02, 306,436.80 and 121,454.02 is: 167,606.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,056.02 : 306,436.80 = 121,454.02 : x
  2. Step 2: Convert to fraction form
    222,056.02/306,436.80 = 121,454.02/x
  3. Step 3: Cross multiply
    222,056.02x = 306,436.80 × 121,454.02
  4. Step 4: Simplify right side
    222,056.02x = 37,217,981,235.94
  5. Step 5: Solve for x
    x = 37,217,981,235.94/222,056.02
  6. Step 6: Final answer
    x = 167,606.27

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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.