Home / 118,733.32-163,928.46-105,964.48

Finding the Fourth Proportional to 118,733.32, 163,928.46 and 105,964.48

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Solution

The fourth proportional to 118,733.32, 163,928.46 and 105,964.48 is: 146,299.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,733.32 : 163,928.46 = 105,964.48 : x
  2. Step 2: Convert to fraction form
    118,733.32/163,928.46 = 105,964.48/x
  3. Step 3: Cross multiply
    118,733.32x = 163,928.46 × 105,964.48
  4. Step 4: Simplify right side
    118,733.32x = 17,370,594,021.10
  5. Step 5: Solve for x
    x = 17,370,594,021.10/118,733.32
  6. Step 6: Final answer
    x = 146,299.24

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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.