Home / 135,004.60-202,118.10-131,116.60

Finding the Fourth Proportional to 135,004.60, 202,118.10 and 131,116.60

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Solution

The fourth proportional to 135,004.60, 202,118.10 and 131,116.60 is: 196,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,004.60 : 202,118.10 = 131,116.60 : x
  2. Step 2: Convert to fraction form
    135,004.60/202,118.10 = 131,116.60/x
  3. Step 3: Cross multiply
    135,004.60x = 202,118.10 × 131,116.60
  4. Step 4: Simplify right side
    135,004.60x = 26,501,038,070.46
  5. Step 5: Solve for x
    x = 26,501,038,070.46/135,004.60
  6. Step 6: Final answer
    x = 196,297.30

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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.