Home / 351,914.60-528,098.70-194,256.20

Finding the Fourth Proportional to 351,914.60, 528,098.70 and 194,256.20

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Solution

The fourth proportional to 351,914.60, 528,098.70 and 194,256.20 is: 291,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,914.60 : 528,098.70 = 194,256.20 : x
  2. Step 2: Convert to fraction form
    351,914.60/528,098.70 = 194,256.20/x
  3. Step 3: Cross multiply
    351,914.60x = 528,098.70 × 194,256.20
  4. Step 4: Simplify right side
    351,914.60x = 102,586,446,686.94
  5. Step 5: Solve for x
    x = 102,586,446,686.94/351,914.60
  6. Step 6: Final answer
    x = 291,509.49

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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.