Home / 236,604.87-326,499.52-129,174.67

Finding the Fourth Proportional to 236,604.87, 326,499.52 and 129,174.67

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Solution

The fourth proportional to 236,604.87, 326,499.52 and 129,174.67 is: 178,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,604.87 : 326,499.52 = 129,174.67 : x
  2. Step 2: Convert to fraction form
    236,604.87/326,499.52 = 129,174.67/x
  3. Step 3: Cross multiply
    236,604.87x = 326,499.52 × 129,174.67
  4. Step 4: Simplify right side
    236,604.87x = 42,175,467,751.16
  5. Step 5: Solve for x
    x = 42,175,467,751.16/236,604.87
  6. Step 6: Final answer
    x = 178,252.75

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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.