Home / 118,720.08-163,846.72-75,701.04

Finding the Fourth Proportional to 118,720.08, 163,846.72 and 75,701.04

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Solution

The fourth proportional to 118,720.08, 163,846.72 and 75,701.04 is: 104,475.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,720.08 : 163,846.72 = 75,701.04 : x
  2. Step 2: Convert to fraction form
    118,720.08/163,846.72 = 75,701.04/x
  3. Step 3: Cross multiply
    118,720.08x = 163,846.72 × 75,701.04
  4. Step 4: Simplify right side
    118,720.08x = 12,403,367,104.59
  5. Step 5: Solve for x
    x = 12,403,367,104.59/118,720.08
  6. Step 6: Final answer
    x = 104,475.73

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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.