Home / 185,919.19-256,541.77-109,392.79

Finding the Fourth Proportional to 185,919.19, 256,541.77 and 109,392.79

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Solution

The fourth proportional to 185,919.19, 256,541.77 and 109,392.79 is: 150,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,919.19 : 256,541.77 = 109,392.79 : x
  2. Step 2: Convert to fraction form
    185,919.19/256,541.77 = 109,392.79/x
  3. Step 3: Cross multiply
    185,919.19x = 256,541.77 × 109,392.79
  4. Step 4: Simplify right side
    185,919.19x = 28,063,819,971.84
  5. Step 5: Solve for x
    x = 28,063,819,971.84/185,919.19
  6. Step 6: Final answer
    x = 150,946.33

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1.5x scale

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.