Home / 154,764.54-213,663.55-118,398.98

Finding the Fourth Proportional to 154,764.54, 213,663.55 and 118,398.98

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Solution

The fourth proportional to 154,764.54, 213,663.55 and 118,398.98 is: 163,458.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,764.54 : 213,663.55 = 118,398.98 : x
  2. Step 2: Convert to fraction form
    154,764.54/213,663.55 = 118,398.98/x
  3. Step 3: Cross multiply
    154,764.54x = 213,663.55 × 118,398.98
  4. Step 4: Simplify right side
    154,764.54x = 25,297,546,383.18
  5. Step 5: Solve for x
    x = 25,297,546,383.18/154,764.54
  6. Step 6: Final answer
    x = 163,458.29

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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.