Home / 258,292.60-356,441.36-143,568.24

Finding the Fourth Proportional to 258,292.60, 356,441.36 and 143,568.24

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Solution

The fourth proportional to 258,292.60, 356,441.36 and 143,568.24 is: 198,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,292.60 : 356,441.36 = 143,568.24 : x
  2. Step 2: Convert to fraction form
    258,292.60/356,441.36 = 143,568.24/x
  3. Step 3: Cross multiply
    258,292.60x = 356,441.36 × 143,568.24
  4. Step 4: Simplify right side
    258,292.60x = 51,173,658,718.41
  5. Step 5: Solve for x
    x = 51,173,658,718.41/258,292.60
  6. Step 6: Final answer
    x = 198,122.82

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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.