Home / 118,285.64-163,228.49-67,293.61

Finding the Fourth Proportional to 118,285.64, 163,228.49 and 67,293.61

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Solution

The fourth proportional to 118,285.64, 163,228.49 and 67,293.61 is: 92,861.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,285.64 : 163,228.49 = 67,293.61 : x
  2. Step 2: Convert to fraction form
    118,285.64/163,228.49 = 67,293.61/x
  3. Step 3: Cross multiply
    118,285.64x = 163,228.49 × 67,293.61
  4. Step 4: Simplify right side
    118,285.64x = 10,984,234,503.10
  5. Step 5: Solve for x
    x = 10,984,234,503.10/118,285.64
  6. Step 6: Final answer
    x = 92,861.94

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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.