Home / 185,945.72-256,607.12-101,062.80

Finding the Fourth Proportional to 185,945.72, 256,607.12 and 101,062.80

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Solution

The fourth proportional to 185,945.72, 256,607.12 and 101,062.80 is: 139,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,945.72 : 256,607.12 = 101,062.80 : x
  2. Step 2: Convert to fraction form
    185,945.72/256,607.12 = 101,062.80/x
  3. Step 3: Cross multiply
    185,945.72x = 256,607.12 × 101,062.80
  4. Step 4: Simplify right side
    185,945.72x = 25,933,434,047.14
  5. Step 5: Solve for x
    x = 25,933,434,047.14/185,945.72
  6. Step 6: Final answer
    x = 139,467.77

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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.