Home / 373,532.50-515,476.38-203,770.18

Finding the Fourth Proportional to 373,532.50, 515,476.38 and 203,770.18

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Solution

The fourth proportional to 373,532.50, 515,476.38 and 203,770.18 is: 281,203.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,532.50 : 515,476.38 = 203,770.18 : x
  2. Step 2: Convert to fraction form
    373,532.50/515,476.38 = 203,770.18/x
  3. Step 3: Cross multiply
    373,532.50x = 515,476.38 × 203,770.18
  4. Step 4: Simplify right side
    373,532.50x = 105,038,714,738.35
  5. Step 5: Solve for x
    x = 105,038,714,738.35/373,532.50
  6. Step 6: Final answer
    x = 281,203.68

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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.