Home / 290,285.10-400,523.33-169,357.37

Finding the Fourth Proportional to 290,285.10, 400,523.33 and 169,357.37

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Solution

The fourth proportional to 290,285.10, 400,523.33 and 169,357.37 is: 233,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,285.10 : 400,523.33 = 169,357.37 : x
  2. Step 2: Convert to fraction form
    290,285.10/400,523.33 = 169,357.37/x
  3. Step 3: Cross multiply
    290,285.10x = 400,523.33 × 169,357.37
  4. Step 4: Simplify right side
    290,285.10x = 67,831,576,213.22
  5. Step 5: Solve for x
    x = 67,831,576,213.22/290,285.10
  6. Step 6: Final answer
    x = 233,672.26

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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.