Home / 353,170.07-529,743.19-153,490.47

Finding the Fourth Proportional to 353,170.07, 529,743.19 and 153,490.47

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Solution

The fourth proportional to 353,170.07, 529,743.19 and 153,490.47 is: 230,230.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,170.07 : 529,743.19 = 153,490.47 : x
  2. Step 2: Convert to fraction form
    353,170.07/529,743.19 = 153,490.47/x
  3. Step 3: Cross multiply
    353,170.07x = 529,743.19 × 153,490.47
  4. Step 4: Simplify right side
    353,170.07x = 81,310,531,212.40
  5. Step 5: Solve for x
    x = 81,310,531,212.40/353,170.07
  6. Step 6: Final answer
    x = 230,230.53

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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.