Home / 105,745.60-158,617.02-25,783.96

Finding the Fourth Proportional to 105,745.60, 158,617.02 and 25,783.96

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Solution

The fourth proportional to 105,745.60, 158,617.02 and 25,783.96 is: 38,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,745.60 : 158,617.02 = 25,783.96 : x
  2. Step 2: Convert to fraction form
    105,745.60/158,617.02 = 25,783.96/x
  3. Step 3: Cross multiply
    105,745.60x = 158,617.02 × 25,783.96
  4. Step 4: Simplify right side
    105,745.60x = 4,089,774,899.00
  5. Step 5: Solve for x
    x = 4,089,774,899.00/105,745.60
  6. Step 6: Final answer
    x = 38,675.60

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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.