Home / 294,100.36-405,534.30-203,298.70

Finding the Fourth Proportional to 294,100.36, 405,534.30 and 203,298.70

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Solution

The fourth proportional to 294,100.36, 405,534.30 and 203,298.70 is: 280,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,100.36 : 405,534.30 = 203,298.70 : x
  2. Step 2: Convert to fraction form
    294,100.36/405,534.30 = 203,298.70/x
  3. Step 3: Cross multiply
    294,100.36x = 405,534.30 × 203,298.70
  4. Step 4: Simplify right side
    294,100.36x = 82,444,595,995.41
  5. Step 5: Solve for x
    x = 82,444,595,995.41/294,100.36
  6. Step 6: Final answer
    x = 280,328.10

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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.