Home / 294,191.31-405,971.17-163,360.85

Finding the Fourth Proportional to 294,191.31, 405,971.17 and 163,360.85

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Solution

The fourth proportional to 294,191.31, 405,971.17 and 163,360.85 is: 225,430.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,191.31 : 405,971.17 = 163,360.85 : x
  2. Step 2: Convert to fraction form
    294,191.31/405,971.17 = 163,360.85/x
  3. Step 3: Cross multiply
    294,191.31x = 405,971.17 × 163,360.85
  4. Step 4: Simplify right side
    294,191.31x = 66,319,794,589.89
  5. Step 5: Solve for x
    x = 66,319,794,589.89/294,191.31
  6. Step 6: Final answer
    x = 225,430.84

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1.5x scale

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.