Home / 118,735.77-163,686.52-73,388.13

Finding the Fourth Proportional to 118,735.77, 163,686.52 and 73,388.13

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Solution

The fourth proportional to 118,735.77, 163,686.52 and 73,388.13 is: 101,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,735.77 : 163,686.52 = 73,388.13 : x
  2. Step 2: Convert to fraction form
    118,735.77/163,686.52 = 73,388.13/x
  3. Step 3: Cross multiply
    118,735.77x = 163,686.52 × 73,388.13
  4. Step 4: Simplify right side
    118,735.77x = 12,012,647,086.92
  5. Step 5: Solve for x
    x = 12,012,647,086.92/118,735.77
  6. Step 6: Final answer
    x = 101,171.25

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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.