Home / 245,289.19-338,511.14-149,780.47

Finding the Fourth Proportional to 245,289.19, 338,511.14 and 149,780.47

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Solution

The fourth proportional to 245,289.19, 338,511.14 and 149,780.47 is: 206,704.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,289.19 : 338,511.14 = 149,780.47 : x
  2. Step 2: Convert to fraction form
    245,289.19/338,511.14 = 149,780.47/x
  3. Step 3: Cross multiply
    245,289.19x = 338,511.14 × 149,780.47
  4. Step 4: Simplify right side
    245,289.19x = 50,702,357,649.44
  5. Step 5: Solve for x
    x = 50,702,357,649.44/245,289.19
  6. Step 6: Final answer
    x = 206,704.41

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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.