Home / 118,466.82-163,378.35-98,291.75

Finding the Fourth Proportional to 118,466.82, 163,378.35 and 98,291.75

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Solution

The fourth proportional to 118,466.82, 163,378.35 and 98,291.75 is: 135,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,466.82 : 163,378.35 = 98,291.75 : x
  2. Step 2: Convert to fraction form
    118,466.82/163,378.35 = 98,291.75/x
  3. Step 3: Cross multiply
    118,466.82x = 163,378.35 × 98,291.75
  4. Step 4: Simplify right side
    118,466.82x = 16,058,743,116.72
  5. Step 5: Solve for x
    x = 16,058,743,116.72/118,466.82
  6. Step 6: Final answer
    x = 135,554.77

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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.