Home / 118,523.19-163,548.60-70,126.61

Finding the Fourth Proportional to 118,523.19, 163,548.60 and 70,126.61

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Solution

The fourth proportional to 118,523.19, 163,548.60 and 70,126.61 is: 96,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,523.19 : 163,548.60 = 70,126.61 : x
  2. Step 2: Convert to fraction form
    118,523.19/163,548.60 = 70,126.61/x
  3. Step 3: Cross multiply
    118,523.19x = 163,548.60 × 70,126.61
  4. Step 4: Simplify right side
    118,523.19x = 11,469,108,070.50
  5. Step 5: Solve for x
    x = 11,469,108,070.50/118,523.19
  6. Step 6: Final answer
    x = 96,766.79

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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.