Home / 113,982.45-157,303.23-75,682.03

Finding the Fourth Proportional to 113,982.45, 157,303.23 and 75,682.03

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Solution

The fourth proportional to 113,982.45, 157,303.23 and 75,682.03 is: 104,446.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,982.45 : 157,303.23 = 75,682.03 : x
  2. Step 2: Convert to fraction form
    113,982.45/157,303.23 = 75,682.03/x
  3. Step 3: Cross multiply
    113,982.45x = 157,303.23 × 75,682.03
  4. Step 4: Simplify right side
    113,982.45x = 11,905,027,771.96
  5. Step 5: Solve for x
    x = 11,905,027,771.96/113,982.45
  6. Step 6: Final answer
    x = 104,446.15

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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.