Home / 127,946.10-191,919.15-122,762.10

Finding the Fourth Proportional to 127,946.10, 191,919.15 and 122,762.10

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Solution

The fourth proportional to 127,946.10, 191,919.15 and 122,762.10 is: 184,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,946.10 : 191,919.15 = 122,762.10 : x
  2. Step 2: Convert to fraction form
    127,946.10/191,919.15 = 122,762.10/x
  3. Step 3: Cross multiply
    127,946.10x = 191,919.15 × 122,762.10
  4. Step 4: Simplify right side
    127,946.10x = 23,560,397,884.22
  5. Step 5: Solve for x
    x = 23,560,397,884.22/127,946.10
  6. Step 6: Final answer
    x = 184,143.15

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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.