Home / 353,172.81-529,747.37-153,493.18

Finding the Fourth Proportional to 353,172.81, 529,747.37 and 153,493.18

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Solution

The fourth proportional to 353,172.81, 529,747.37 and 153,493.18 is: 230,234.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,172.81 : 529,747.37 = 153,493.18 : x
  2. Step 2: Convert to fraction form
    353,172.81/529,747.37 = 153,493.18/x
  3. Step 3: Cross multiply
    353,172.81x = 529,747.37 × 153,493.18
  4. Step 4: Simplify right side
    353,172.81x = 81,312,606,470.00
  5. Step 5: Solve for x
    x = 81,312,606,470.00/353,172.81
  6. Step 6: Final answer
    x = 230,234.62

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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.