Home / 158,895.86-219,418.62-118,539.54

Finding the Fourth Proportional to 158,895.86, 219,418.62 and 118,539.54

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Solution

The fourth proportional to 158,895.86, 219,418.62 and 118,539.54 is: 163,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,895.86 : 219,418.62 = 118,539.54 : x
  2. Step 2: Convert to fraction form
    158,895.86/219,418.62 = 118,539.54/x
  3. Step 3: Cross multiply
    158,895.86x = 219,418.62 × 118,539.54
  4. Step 4: Simplify right side
    158,895.86x = 26,009,782,282.23
  5. Step 5: Solve for x
    x = 26,009,782,282.23/158,895.86
  6. Step 6: Final answer
    x = 163,690.75

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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.