Home / 118,399.46-163,405.22-67,424.40

Finding the Fourth Proportional to 118,399.46, 163,405.22 and 67,424.40

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Solution

The fourth proportional to 118,399.46, 163,405.22 and 67,424.40 is: 93,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,399.46 : 163,405.22 = 67,424.40 : x
  2. Step 2: Convert to fraction form
    118,399.46/163,405.22 = 67,424.40/x
  3. Step 3: Cross multiply
    118,399.46x = 163,405.22 × 67,424.40
  4. Step 4: Simplify right side
    118,399.46x = 11,017,498,578.25
  5. Step 5: Solve for x
    x = 11,017,498,578.25/118,399.46
  6. Step 6: Final answer
    x = 93,053.63

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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.