Home / 113,801.60-170,702.40-54,606.80

Finding the Fourth Proportional to 113,801.60, 170,702.40 and 54,606.80

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Solution

The fourth proportional to 113,801.60, 170,702.40 and 54,606.80 is: 81,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,801.60 : 170,702.40 = 54,606.80 : x
  2. Step 2: Convert to fraction form
    113,801.60/170,702.40 = 54,606.80/x
  3. Step 3: Cross multiply
    113,801.60x = 170,702.40 × 54,606.80
  4. Step 4: Simplify right side
    113,801.60x = 9,321,511,816.32
  5. Step 5: Solve for x
    x = 9,321,511,816.32/113,801.60
  6. Step 6: Final answer
    x = 81,910.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.