Home / 356,200.90-534,128.55-198,261.70

Finding the Fourth Proportional to 356,200.90, 534,128.55 and 198,261.70

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Solution

The fourth proportional to 356,200.90, 534,128.55 and 198,261.70 is: 297,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,200.90 : 534,128.55 = 198,261.70 : x
  2. Step 2: Convert to fraction form
    356,200.90/534,128.55 = 198,261.70/x
  3. Step 3: Cross multiply
    356,200.90x = 534,128.55 × 198,261.70
  4. Step 4: Simplify right side
    356,200.90x = 105,897,234,341.54
  5. Step 5: Solve for x
    x = 105,897,234,341.54/356,200.90
  6. Step 6: Final answer
    x = 297,296.37

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1.5x scale

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.