Home / 118,169.58-163,076.04-67,181.16

Finding the Fourth Proportional to 118,169.58, 163,076.04 and 67,181.16

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Solution

The fourth proportional to 118,169.58, 163,076.04 and 67,181.16 is: 92,711.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,169.58 : 163,076.04 = 67,181.16 : x
  2. Step 2: Convert to fraction form
    118,169.58/163,076.04 = 67,181.16/x
  3. Step 3: Cross multiply
    118,169.58x = 163,076.04 × 67,181.16
  4. Step 4: Simplify right side
    118,169.58x = 10,955,637,535.41
  5. Step 5: Solve for x
    x = 10,955,637,535.41/118,169.58
  6. Step 6: Final answer
    x = 92,711.15

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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.