Home / 354,627.96-531,482.34-144,021.24

Finding the Fourth Proportional to 354,627.96, 531,482.34 and 144,021.24

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Solution

The fourth proportional to 354,627.96, 531,482.34 and 144,021.24 is: 215,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,627.96 : 531,482.34 = 144,021.24 : x
  2. Step 2: Convert to fraction form
    354,627.96/531,482.34 = 144,021.24/x
  3. Step 3: Cross multiply
    354,627.96x = 531,482.34 × 144,021.24
  4. Step 4: Simplify right side
    354,627.96x = 76,544,745,644.90
  5. Step 5: Solve for x
    x = 76,544,745,644.90/354,627.96
  6. Step 6: Final answer
    x = 215,845.21

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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.