Home / 118,549.06-163,597.79-66,866.80

Finding the Fourth Proportional to 118,549.06, 163,597.79 and 66,866.80

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Solution

The fourth proportional to 118,549.06, 163,597.79 and 66,866.80 is: 92,276.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,549.06 : 163,597.79 = 66,866.80 : x
  2. Step 2: Convert to fraction form
    118,549.06/163,597.79 = 66,866.80/x
  3. Step 3: Cross multiply
    118,549.06x = 163,597.79 × 66,866.80
  4. Step 4: Simplify right side
    118,549.06x = 10,939,260,704.37
  5. Step 5: Solve for x
    x = 10,939,260,704.37/118,549.06
  6. Step 6: Final answer
    x = 92,276.23

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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.