Home / 221,955.24-306,298.50-126,461.64

Finding the Fourth Proportional to 221,955.24, 306,298.50 and 126,461.64

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Solution

The fourth proportional to 221,955.24, 306,298.50 and 126,461.64 is: 174,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,955.24 : 306,298.50 = 126,461.64 : x
  2. Step 2: Convert to fraction form
    221,955.24/306,298.50 = 126,461.64/x
  3. Step 3: Cross multiply
    221,955.24x = 306,298.50 × 126,461.64
  4. Step 4: Simplify right side
    221,955.24x = 38,735,010,639.54
  5. Step 5: Solve for x
    x = 38,735,010,639.54/221,955.24
  6. Step 6: Final answer
    x = 174,517.22

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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.