Home / 221,519.59-305,693.11-126,024.23

Finding the Fourth Proportional to 221,519.59, 305,693.11 and 126,024.23

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Solution

The fourth proportional to 221,519.59, 305,693.11 and 126,024.23 is: 173,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,519.59 : 305,693.11 = 126,024.23 : x
  2. Step 2: Convert to fraction form
    221,519.59/305,693.11 = 126,024.23/x
  3. Step 3: Cross multiply
    221,519.59x = 305,693.11 × 126,024.23
  4. Step 4: Simplify right side
    221,519.59x = 38,524,738,804.06
  5. Step 5: Solve for x
    x = 38,524,738,804.06/221,519.59
  6. Step 6: Final answer
    x = 173,911.20

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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.