Home / 405,148.20-607,853.52-194,758.80

Finding the Fourth Proportional to 405,148.20, 607,853.52 and 194,758.80

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Solution

The fourth proportional to 405,148.20, 607,853.52 and 194,758.80 is: 292,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,148.20 : 607,853.52 = 194,758.80 : x
  2. Step 2: Convert to fraction form
    405,148.20/607,853.52 = 194,758.80/x
  3. Step 3: Cross multiply
    405,148.20x = 607,853.52 × 194,758.80
  4. Step 4: Simplify right side
    405,148.20x = 118,384,822,130.98
  5. Step 5: Solve for x
    x = 118,384,822,130.98/405,148.20
  6. Step 6: Final answer
    x = 292,201.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.