Home / 281,938.56-389,092.96-186,277.52

Finding the Fourth Proportional to 281,938.56, 389,092.96 and 186,277.52

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Solution

The fourth proportional to 281,938.56, 389,092.96 and 186,277.52 is: 257,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,938.56 : 389,092.96 = 186,277.52 : x
  2. Step 2: Convert to fraction form
    281,938.56/389,092.96 = 186,277.52/x
  3. Step 3: Cross multiply
    281,938.56x = 389,092.96 × 186,277.52
  4. Step 4: Simplify right side
    281,938.56x = 72,479,271,638.26
  5. Step 5: Solve for x
    x = 72,479,271,638.26/281,938.56
  6. Step 6: Final answer
    x = 257,074.70

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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.