Home / 118,454.40-163,474.98-66,784.26

Finding the Fourth Proportional to 118,454.40, 163,474.98 and 66,784.26

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Solution

The fourth proportional to 118,454.40, 163,474.98 and 66,784.26 is: 92,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,454.40 : 163,474.98 = 66,784.26 : x
  2. Step 2: Convert to fraction form
    118,454.40/163,474.98 = 66,784.26/x
  3. Step 3: Cross multiply
    118,454.40x = 163,474.98 × 66,784.26
  4. Step 4: Simplify right side
    118,454.40x = 10,917,555,930.41
  5. Step 5: Solve for x
    x = 10,917,555,930.41/118,454.40
  6. Step 6: Final answer
    x = 92,166.74

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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.