Home / 185,525.24-256,025.48-100,642.91

Finding the Fourth Proportional to 185,525.24, 256,025.48 and 100,642.91

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Solution

The fourth proportional to 185,525.24, 256,025.48 and 100,642.91 is: 138,887.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,525.24 : 256,025.48 = 100,642.91 : x
  2. Step 2: Convert to fraction form
    185,525.24/256,025.48 = 100,642.91/x
  3. Step 3: Cross multiply
    185,525.24x = 256,025.48 × 100,642.91
  4. Step 4: Simplify right side
    185,525.24x = 25,767,147,558.00
  5. Step 5: Solve for x
    x = 25,767,147,558.00/185,525.24
  6. Step 6: Final answer
    x = 138,887.56

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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.