Home / 221,952.22-306,295.35-121,350.22

Finding the Fourth Proportional to 221,952.22, 306,295.35 and 121,350.22

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Solution

The fourth proportional to 221,952.22, 306,295.35 and 121,350.22 is: 167,464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,952.22 : 306,295.35 = 121,350.22 : x
  2. Step 2: Convert to fraction form
    221,952.22/306,295.35 = 121,350.22/x
  3. Step 3: Cross multiply
    221,952.22x = 306,295.35 × 121,350.22
  4. Step 4: Simplify right side
    221,952.22x = 37,169,008,107.48
  5. Step 5: Solve for x
    x = 37,169,008,107.48/221,952.22
  6. Step 6: Final answer
    x = 167,464.01

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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.