Home / 118,986.09-164,200.33-73,655.04

Finding the Fourth Proportional to 118,986.09, 164,200.33 and 73,655.04

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Solution

The fourth proportional to 118,986.09, 164,200.33 and 73,655.04 is: 101,643.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,986.09 : 164,200.33 = 73,655.04 : x
  2. Step 2: Convert to fraction form
    118,986.09/164,200.33 = 73,655.04/x
  3. Step 3: Cross multiply
    118,986.09x = 164,200.33 × 73,655.04
  4. Step 4: Simplify right side
    118,986.09x = 12,094,181,874.16
  5. Step 5: Solve for x
    x = 12,094,181,874.16/118,986.09
  6. Step 6: Final answer
    x = 101,643.66

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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.