Home / 127,946.60-191,919.90-122,762.60

Finding the Fourth Proportional to 127,946.60, 191,919.90 and 122,762.60

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Solution

The fourth proportional to 127,946.60, 191,919.90 and 122,762.60 is: 184,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,946.60 : 191,919.90 = 122,762.60 : x
  2. Step 2: Convert to fraction form
    127,946.60/191,919.90 = 122,762.60/x
  3. Step 3: Cross multiply
    127,946.60x = 191,919.90 × 122,762.60
  4. Step 4: Simplify right side
    127,946.60x = 23,560,585,915.74
  5. Step 5: Solve for x
    x = 23,560,585,915.74/127,946.60
  6. Step 6: Final answer
    x = 184,143.90

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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.