Home / 118,738.52-163,856.26-65,025.80

Finding the Fourth Proportional to 118,738.52, 163,856.26 and 65,025.80

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Solution

The fourth proportional to 118,738.52, 163,856.26 and 65,025.80 is: 89,734.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,738.52 : 163,856.26 = 65,025.80 : x
  2. Step 2: Convert to fraction form
    118,738.52/163,856.26 = 65,025.80/x
  3. Step 3: Cross multiply
    118,738.52x = 163,856.26 × 65,025.80
  4. Step 4: Simplify right side
    118,738.52x = 10,654,884,391.51
  5. Step 5: Solve for x
    x = 10,654,884,391.51/118,738.52
  6. Step 6: Final answer
    x = 89,734.02

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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.