Home / 397,308.20-596,192.70-148,015.40

Finding the Fourth Proportional to 397,308.20, 596,192.70 and 148,015.40

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Solution

The fourth proportional to 397,308.20, 596,192.70 and 148,015.40 is: 222,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,308.20 : 596,192.70 = 148,015.40 : x
  2. Step 2: Convert to fraction form
    397,308.20/596,192.70 = 148,015.40/x
  3. Step 3: Cross multiply
    397,308.20x = 596,192.70 × 148,015.40
  4. Step 4: Simplify right side
    397,308.20x = 88,245,700,967.58
  5. Step 5: Solve for x
    x = 88,245,700,967.58/397,308.20
  6. Step 6: Final answer
    x = 222,108.93

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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.