Home / 236,456.20-354,684.71-189,370.77

Finding the Fourth Proportional to 236,456.20, 354,684.71 and 189,370.77

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Solution

The fourth proportional to 236,456.20, 354,684.71 and 189,370.77 is: 284,056.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,456.20 : 354,684.71 = 189,370.77 : x
  2. Step 2: Convert to fraction form
    236,456.20/354,684.71 = 189,370.77/x
  3. Step 3: Cross multiply
    236,456.20x = 354,684.71 × 189,370.77
  4. Step 4: Simplify right side
    236,456.20x = 67,166,916,639.93
  5. Step 5: Solve for x
    x = 67,166,916,639.93/236,456.20
  6. Step 6: Final answer
    x = 284,056.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.