Home / 118,266.08-163,206.48-67,278.66

Finding the Fourth Proportional to 118,266.08, 163,206.48 and 67,278.66

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Solution

The fourth proportional to 118,266.08, 163,206.48 and 67,278.66 is: 92,844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,266.08 : 163,206.48 = 67,278.66 : x
  2. Step 2: Convert to fraction form
    118,266.08/163,206.48 = 67,278.66/x
  3. Step 3: Cross multiply
    118,266.08x = 163,206.48 × 67,278.66
  4. Step 4: Simplify right side
    118,266.08x = 10,980,313,277.72
  5. Step 5: Solve for x
    x = 10,980,313,277.72/118,266.08
  6. Step 6: Final answer
    x = 92,844.15

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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.