Home / 113,844.70-157,245.19-85,292.05

Finding the Fourth Proportional to 113,844.70, 157,245.19 and 85,292.05

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Solution

The fourth proportional to 113,844.70, 157,245.19 and 85,292.05 is: 117,807.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,844.70 : 157,245.19 = 85,292.05 : x
  2. Step 2: Convert to fraction form
    113,844.70/157,245.19 = 85,292.05/x
  3. Step 3: Cross multiply
    113,844.70x = 157,245.19 × 85,292.05
  4. Step 4: Simplify right side
    113,844.70x = 13,411,764,181.28
  5. Step 5: Solve for x
    x = 13,411,764,181.28/113,844.70
  6. Step 6: Final answer
    x = 117,807.54

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1.5x scale

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.