Home / 118,258.08-163,196.08-67,956.96

Finding the Fourth Proportional to 118,258.08, 163,196.08 and 67,956.96

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Solution

The fourth proportional to 118,258.08, 163,196.08 and 67,956.96 is: 93,780.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,258.08 : 163,196.08 = 67,956.96 : x
  2. Step 2: Convert to fraction form
    118,258.08/163,196.08 = 67,956.96/x
  3. Step 3: Cross multiply
    118,258.08x = 163,196.08 × 67,956.96
  4. Step 4: Simplify right side
    118,258.08x = 11,090,309,480.72
  5. Step 5: Solve for x
    x = 11,090,309,480.72/118,258.08
  6. Step 6: Final answer
    x = 93,780.56

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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.