Home / 353,173.40-529,748.20-153,493.80

Finding the Fourth Proportional to 353,173.40, 529,748.20 and 153,493.80

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Solution

The fourth proportional to 353,173.40, 529,748.20 and 153,493.80 is: 230,235.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,173.40 : 529,748.20 = 153,493.80 : x
  2. Step 2: Convert to fraction form
    353,173.40/529,748.20 = 153,493.80/x
  3. Step 3: Cross multiply
    353,173.40x = 529,748.20 × 153,493.80
  4. Step 4: Simplify right side
    353,173.40x = 81,313,064,261.16
  5. Step 5: Solve for x
    x = 81,313,064,261.16/353,173.40
  6. Step 6: Final answer
    x = 230,235.53

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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.