Home / 255,377.21-352,417.23-140,653.67

Finding the Fourth Proportional to 255,377.21, 352,417.23 and 140,653.67

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Solution

The fourth proportional to 255,377.21, 352,417.23 and 140,653.67 is: 194,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,377.21 : 352,417.23 = 140,653.67 : x
  2. Step 2: Convert to fraction form
    255,377.21/352,417.23 = 140,653.67/x
  3. Step 3: Cross multiply
    255,377.21x = 352,417.23 × 140,653.67
  4. Step 4: Simplify right side
    255,377.21x = 49,568,776,770.73
  5. Step 5: Solve for x
    x = 49,568,776,770.73/255,377.21
  6. Step 6: Final answer
    x = 194,100.24

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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.