Home / 185,764.89-256,461.85-122,287.22

Finding the Fourth Proportional to 185,764.89, 256,461.85 and 122,287.22

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Solution

The fourth proportional to 185,764.89, 256,461.85 and 122,287.22 is: 168,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,764.89 : 256,461.85 = 122,287.22 : x
  2. Step 2: Convert to fraction form
    185,764.89/256,461.85 = 122,287.22/x
  3. Step 3: Cross multiply
    185,764.89x = 256,461.85 × 122,287.22
  4. Step 4: Simplify right side
    185,764.89x = 31,362,005,816.97
  5. Step 5: Solve for x
    x = 31,362,005,816.97/185,764.89
  6. Step 6: Final answer
    x = 168,826.33

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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.