Home / 213,135.15-294,105.54-117,635.67

Finding the Fourth Proportional to 213,135.15, 294,105.54 and 117,635.67

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Solution

The fourth proportional to 213,135.15, 294,105.54 and 117,635.67 is: 162,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,135.15 : 294,105.54 = 117,635.67 : x
  2. Step 2: Convert to fraction form
    213,135.15/294,105.54 = 117,635.67/x
  3. Step 3: Cross multiply
    213,135.15x = 294,105.54 × 117,635.67
  4. Step 4: Simplify right side
    213,135.15x = 34,597,302,248.61
  5. Step 5: Solve for x
    x = 34,597,302,248.61/213,135.15
  6. Step 6: Final answer
    x = 162,325.65

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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.