Home / 279,554.93-385,518.71-187,881.29

Finding the Fourth Proportional to 279,554.93, 385,518.71 and 187,881.29

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Solution

The fourth proportional to 279,554.93, 385,518.71 and 187,881.29 is: 259,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,554.93 : 385,518.71 = 187,881.29 : x
  2. Step 2: Convert to fraction form
    279,554.93/385,518.71 = 187,881.29/x
  3. Step 3: Cross multiply
    279,554.93x = 385,518.71 × 187,881.29
  4. Step 4: Simplify right side
    279,554.93x = 72,431,749,686.94
  5. Step 5: Solve for x
    x = 72,431,749,686.94/279,554.93
  6. Step 6: Final answer
    x = 259,096.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.