Home / 108,740.40-163,000.44-73,683.60

Finding the Fourth Proportional to 108,740.40, 163,000.44 and 73,683.60

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Solution

The fourth proportional to 108,740.40, 163,000.44 and 73,683.60 is: 110,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,740.40 : 163,000.44 = 73,683.60 : x
  2. Step 2: Convert to fraction form
    108,740.40/163,000.44 = 73,683.60/x
  3. Step 3: Cross multiply
    108,740.40x = 163,000.44 × 73,683.60
  4. Step 4: Simplify right side
    108,740.40x = 12,010,459,220.78
  5. Step 5: Solve for x
    x = 12,010,459,220.78/108,740.40
  6. Step 6: Final answer
    x = 110,450.75

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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.