Home / 356,255.50-534,333.54-89,999.50

Finding the Fourth Proportional to 356,255.50, 534,333.54 and 89,999.50

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Solution

The fourth proportional to 356,255.50, 534,333.54 and 89,999.50 is: 134,986.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,255.50 : 534,333.54 = 89,999.50 : x
  2. Step 2: Convert to fraction form
    356,255.50/534,333.54 = 89,999.50/x
  3. Step 3: Cross multiply
    356,255.50x = 534,333.54 × 89,999.50
  4. Step 4: Simplify right side
    356,255.50x = 48,089,751,433.23
  5. Step 5: Solve for x
    x = 48,089,751,433.23/356,255.50
  6. Step 6: Final answer
    x = 134,986.69

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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.