Home / 118,240.49-163,175.45-67,260.54

Finding the Fourth Proportional to 118,240.49, 163,175.45 and 67,260.54

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Solution

The fourth proportional to 118,240.49, 163,175.45 and 67,260.54 is: 92,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,240.49 : 163,175.45 = 67,260.54 : x
  2. Step 2: Convert to fraction form
    118,240.49/163,175.45 = 67,260.54/x
  3. Step 3: Cross multiply
    118,240.49x = 163,175.45 × 67,260.54
  4. Step 4: Simplify right side
    118,240.49x = 10,975,268,881.74
  5. Step 5: Solve for x
    x = 10,975,268,881.74/118,240.49
  6. Step 6: Final answer
    x = 92,821.58

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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.