Home / 353,292.21-487,529.22-192,147.18

Finding the Fourth Proportional to 353,292.21, 487,529.22 and 192,147.18

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Solution

The fourth proportional to 353,292.21, 487,529.22 and 192,147.18 is: 265,155.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,292.21 : 487,529.22 = 192,147.18 : x
  2. Step 2: Convert to fraction form
    353,292.21/487,529.22 = 192,147.18/x
  3. Step 3: Cross multiply
    353,292.21x = 487,529.22 × 192,147.18
  4. Step 4: Simplify right side
    353,292.21x = 93,677,364,790.60
  5. Step 5: Solve for x
    x = 93,677,364,790.60/353,292.21
  6. Step 6: Final answer
    x = 265,155.48

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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.