Home / 288,027.10-397,413.80-167,098.36

Finding the Fourth Proportional to 288,027.10, 397,413.80 and 167,098.36

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Solution

The fourth proportional to 288,027.10, 397,413.80 and 167,098.36 is: 230,558.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,027.10 : 397,413.80 = 167,098.36 : x
  2. Step 2: Convert to fraction form
    288,027.10/397,413.80 = 167,098.36/x
  3. Step 3: Cross multiply
    288,027.10x = 397,413.80 × 167,098.36
  4. Step 4: Simplify right side
    288,027.10x = 66,407,194,221.37
  5. Step 5: Solve for x
    x = 66,407,194,221.37/288,027.10
  6. Step 6: Final answer
    x = 230,558.84

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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.