Home / 221,969.66-306,333.77-125,182.18

Finding the Fourth Proportional to 221,969.66, 306,333.77 and 125,182.18

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Solution

The fourth proportional to 221,969.66, 306,333.77 and 125,182.18 is: 172,760.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,969.66 : 306,333.77 = 125,182.18 : x
  2. Step 2: Convert to fraction form
    221,969.66/306,333.77 = 125,182.18/x
  3. Step 3: Cross multiply
    221,969.66x = 306,333.77 × 125,182.18
  4. Step 4: Simplify right side
    221,969.66x = 38,347,529,136.22
  5. Step 5: Solve for x
    x = 38,347,529,136.22/221,969.66
  6. Step 6: Final answer
    x = 172,760.23

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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.