Home / 262,435.36-393,665.22-84,956.32

Finding the Fourth Proportional to 262,435.36, 393,665.22 and 84,956.32

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Solution

The fourth proportional to 262,435.36, 393,665.22 and 84,956.32 is: 127,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,435.36 : 393,665.22 = 84,956.32 : x
  2. Step 2: Convert to fraction form
    262,435.36/393,665.22 = 84,956.32/x
  3. Step 3: Cross multiply
    262,435.36x = 393,665.22 × 84,956.32
  4. Step 4: Simplify right side
    262,435.36x = 33,444,348,403.19
  5. Step 5: Solve for x
    x = 33,444,348,403.19/262,435.36
  6. Step 6: Final answer
    x = 127,438.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.