Home / 213,904.54-295,190.45-118,409.18

Finding the Fourth Proportional to 213,904.54, 295,190.45 and 118,409.18

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Solution

The fourth proportional to 213,904.54, 295,190.45 and 118,409.18 is: 163,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,904.54 : 295,190.45 = 118,409.18 : x
  2. Step 2: Convert to fraction form
    213,904.54/295,190.45 = 118,409.18/x
  3. Step 3: Cross multiply
    213,904.54x = 295,190.45 × 118,409.18
  4. Step 4: Simplify right side
    213,904.54x = 34,953,260,162.33
  5. Step 5: Solve for x
    x = 34,953,260,162.33/213,904.54
  6. Step 6: Final answer
    x = 163,405.88

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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.