Home / 118,311.19-163,283.76-67,336.32

Finding the Fourth Proportional to 118,311.19, 163,283.76 and 67,336.32

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Solution

The fourth proportional to 118,311.19, 163,283.76 and 67,336.32 is: 92,932.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,311.19 : 163,283.76 = 67,336.32 : x
  2. Step 2: Convert to fraction form
    118,311.19/163,283.76 = 67,336.32/x
  3. Step 3: Cross multiply
    118,311.19x = 163,283.76 × 67,336.32
  4. Step 4: Simplify right side
    118,311.19x = 10,994,927,514.16
  5. Step 5: Solve for x
    x = 10,994,927,514.16/118,311.19
  6. Step 6: Final answer
    x = 92,932.27

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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.