Home / 257,524.25-355,364.15-144,325.13

Finding the Fourth Proportional to 257,524.25, 355,364.15 and 144,325.13

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Solution

The fourth proportional to 257,524.25, 355,364.15 and 144,325.13 is: 199,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,524.25 : 355,364.15 = 144,325.13 : x
  2. Step 2: Convert to fraction form
    257,524.25/355,364.15 = 144,325.13/x
  3. Step 3: Cross multiply
    257,524.25x = 355,364.15 × 144,325.13
  4. Step 4: Simplify right side
    257,524.25x = 51,287,974,647.64
  5. Step 5: Solve for x
    x = 51,287,974,647.64/257,524.25
  6. Step 6: Final answer
    x = 199,157.85

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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.