Home / 113,138.15-169,715.73-34,258.73

Finding the Fourth Proportional to 113,138.15, 169,715.73 and 34,258.73

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Solution

The fourth proportional to 113,138.15, 169,715.73 and 34,258.73 is: 51,390.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,138.15 : 169,715.73 = 34,258.73 : x
  2. Step 2: Convert to fraction form
    113,138.15/169,715.73 = 34,258.73/x
  3. Step 3: Cross multiply
    113,138.15x = 169,715.73 × 34,258.73
  4. Step 4: Simplify right side
    113,138.15x = 5,814,245,370.82
  5. Step 5: Solve for x
    x = 5,814,245,370.82/113,138.15
  6. Step 6: Final answer
    x = 51,390.67

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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.