Home / 258,834.88-357,194.68-144,115.12

Finding the Fourth Proportional to 258,834.88, 357,194.68 and 144,115.12

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Solution

The fourth proportional to 258,834.88, 357,194.68 and 144,115.12 is: 198,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,834.88 : 357,194.68 = 144,115.12 : x
  2. Step 2: Convert to fraction form
    258,834.88/357,194.68 = 144,115.12/x
  3. Step 3: Cross multiply
    258,834.88x = 357,194.68 × 144,115.12
  4. Step 4: Simplify right side
    258,834.88x = 51,477,154,171.56
  5. Step 5: Solve for x
    x = 51,477,154,171.56/258,834.88
  6. Step 6: Final answer
    x = 198,880.28

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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.