Home / 263,542.08-363,688.30-142,683.46

Finding the Fourth Proportional to 263,542.08, 363,688.30 and 142,683.46

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Solution

The fourth proportional to 263,542.08, 363,688.30 and 142,683.46 is: 196,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,542.08 : 363,688.30 = 142,683.46 : x
  2. Step 2: Convert to fraction form
    263,542.08/363,688.30 = 142,683.46/x
  3. Step 3: Cross multiply
    263,542.08x = 363,688.30 × 142,683.46
  4. Step 4: Simplify right side
    263,542.08x = 51,892,305,005.52
  5. Step 5: Solve for x
    x = 51,892,305,005.52/263,542.08
  6. Step 6: Final answer
    x = 196,903.30

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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.