Home / 115,968.40-173,952.60-79,104.40

Finding the Fourth Proportional to 115,968.40, 173,952.60 and 79,104.40

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Solution

The fourth proportional to 115,968.40, 173,952.60 and 79,104.40 is: 118,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,968.40 : 173,952.60 = 79,104.40 : x
  2. Step 2: Convert to fraction form
    115,968.40/173,952.60 = 79,104.40/x
  3. Step 3: Cross multiply
    115,968.40x = 173,952.60 × 79,104.40
  4. Step 4: Simplify right side
    115,968.40x = 13,760,416,051.44
  5. Step 5: Solve for x
    x = 13,760,416,051.44/115,968.40
  6. Step 6: Final answer
    x = 118,656.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.