Home / 118,160.06-163,054.40-67,165.70

Finding the Fourth Proportional to 118,160.06, 163,054.40 and 67,165.70

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Solution

The fourth proportional to 118,160.06, 163,054.40 and 67,165.70 is: 92,684.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,160.06 : 163,054.40 = 67,165.70 : x
  2. Step 2: Convert to fraction form
    118,160.06/163,054.40 = 67,165.70/x
  3. Step 3: Cross multiply
    118,160.06x = 163,054.40 × 67,165.70
  4. Step 4: Simplify right side
    118,160.06x = 10,951,662,914.08
  5. Step 5: Solve for x
    x = 10,951,662,914.08/118,160.06
  6. Step 6: Final answer
    x = 92,684.98

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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.