Home / 250,511.40-345,749.58-190,281.42

Finding the Fourth Proportional to 250,511.40, 345,749.58 and 190,281.42

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Solution

The fourth proportional to 250,511.40, 345,749.58 and 190,281.42 is: 262,621.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,511.40 : 345,749.58 = 190,281.42 : x
  2. Step 2: Convert to fraction form
    250,511.40/345,749.58 = 190,281.42/x
  3. Step 3: Cross multiply
    250,511.40x = 345,749.58 × 190,281.42
  4. Step 4: Simplify right side
    250,511.40x = 65,789,721,046.80
  5. Step 5: Solve for x
    x = 65,789,721,046.80/250,511.40
  6. Step 6: Final answer
    x = 262,621.67

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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.