Home / 115,964.40-173,946.60-79,100.40

Finding the Fourth Proportional to 115,964.40, 173,946.60 and 79,100.40

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Solution

The fourth proportional to 115,964.40, 173,946.60 and 79,100.40 is: 118,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,964.40 : 173,946.60 = 79,100.40 : x
  2. Step 2: Convert to fraction form
    115,964.40/173,946.60 = 79,100.40/x
  3. Step 3: Cross multiply
    115,964.40x = 173,946.60 × 79,100.40
  4. Step 4: Simplify right side
    115,964.40x = 13,759,245,638.64
  5. Step 5: Solve for x
    x = 13,759,245,638.64/115,964.40
  6. Step 6: Final answer
    x = 118,650.60

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Similar ratio
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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.