Home / 213,412.93-294,487.75-117,906.64

Finding the Fourth Proportional to 213,412.93, 294,487.75 and 117,906.64

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Solution

The fourth proportional to 213,412.93, 294,487.75 and 117,906.64 is: 162,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,412.93 : 294,487.75 = 117,906.64 : x
  2. Step 2: Convert to fraction form
    213,412.93/294,487.75 = 117,906.64/x
  3. Step 3: Cross multiply
    213,412.93x = 294,487.75 × 117,906.64
  4. Step 4: Simplify right side
    213,412.93x = 34,722,060,534.82
  5. Step 5: Solve for x
    x = 34,722,060,534.82/213,412.93
  6. Step 6: Final answer
    x = 162,698.96

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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.