Home / 118,954.23-164,141.67-67,970.27

Finding the Fourth Proportional to 118,954.23, 164,141.67 and 67,970.27

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Solution

The fourth proportional to 118,954.23, 164,141.67 and 67,970.27 is: 93,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,954.23 : 164,141.67 = 67,970.27 : x
  2. Step 2: Convert to fraction form
    118,954.23/164,141.67 = 67,970.27/x
  3. Step 3: Cross multiply
    118,954.23x = 164,141.67 × 67,970.27
  4. Step 4: Simplify right side
    118,954.23x = 11,156,752,807.44
  5. Step 5: Solve for x
    x = 11,156,752,807.44/118,954.23
  6. Step 6: Final answer
    x = 93,790.30

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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.