Home / 258,757.28-357,084.96-144,033.43

Finding the Fourth Proportional to 258,757.28, 357,084.96 and 144,033.43

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Solution

The fourth proportional to 258,757.28, 357,084.96 and 144,033.43 is: 198,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,757.28 : 357,084.96 = 144,033.43 : x
  2. Step 2: Convert to fraction form
    258,757.28/357,084.96 = 144,033.43/x
  3. Step 3: Cross multiply
    258,757.28x = 357,084.96 × 144,033.43
  4. Step 4: Simplify right side
    258,757.28x = 51,432,169,804.79
  5. Step 5: Solve for x
    x = 51,432,169,804.79/258,757.28
  6. Step 6: Final answer
    x = 198,766.08

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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.