Home / 255,137.93-352,077.22-140,427.46

Finding the Fourth Proportional to 255,137.93, 352,077.22 and 140,427.46

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Solution

The fourth proportional to 255,137.93, 352,077.22 and 140,427.46 is: 193,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,137.93 : 352,077.22 = 140,427.46 : x
  2. Step 2: Convert to fraction form
    255,137.93/352,077.22 = 140,427.46/x
  3. Step 3: Cross multiply
    255,137.93x = 352,077.22 × 140,427.46
  4. Step 4: Simplify right side
    255,137.93x = 49,441,309,728.46
  5. Step 5: Solve for x
    x = 49,441,309,728.46/255,137.93
  6. Step 6: Final answer
    x = 193,782.67

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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.