Home / 221,386.92-305,559.39-140,798.94

Finding the Fourth Proportional to 221,386.92, 305,559.39 and 140,798.94

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Solution

The fourth proportional to 221,386.92, 305,559.39 and 140,798.94 is: 194,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,386.92 : 305,559.39 = 140,798.94 : x
  2. Step 2: Convert to fraction form
    221,386.92/305,559.39 = 140,798.94/x
  3. Step 3: Cross multiply
    221,386.92x = 305,559.39 × 140,798.94
  4. Step 4: Simplify right side
    221,386.92x = 43,022,438,219.05
  5. Step 5: Solve for x
    x = 43,022,438,219.05/221,386.92
  6. Step 6: Final answer
    x = 194,331.44

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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.