Home / 185,857.37-256,495.86-105,285.56

Finding the Fourth Proportional to 185,857.37, 256,495.86 and 105,285.56

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Solution

The fourth proportional to 185,857.37, 256,495.86 and 105,285.56 is: 145,301.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,857.37 : 256,495.86 = 105,285.56 : x
  2. Step 2: Convert to fraction form
    185,857.37/256,495.86 = 105,285.56/x
  3. Step 3: Cross multiply
    185,857.37x = 256,495.86 × 105,285.56
  4. Step 4: Simplify right side
    185,857.37x = 27,005,309,983.37
  5. Step 5: Solve for x
    x = 27,005,309,983.37/185,857.37
  6. Step 6: Final answer
    x = 145,301.26

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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.