Home / 185,344.75-255,776.30-100,462.15

Finding the Fourth Proportional to 185,344.75, 255,776.30 and 100,462.15

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Solution

The fourth proportional to 185,344.75, 255,776.30 and 100,462.15 is: 138,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,344.75 : 255,776.30 = 100,462.15 : x
  2. Step 2: Convert to fraction form
    185,344.75/255,776.30 = 100,462.15/x
  3. Step 3: Cross multiply
    185,344.75x = 255,776.30 × 100,462.15
  4. Step 4: Simplify right side
    185,344.75x = 25,695,837,017.05
  5. Step 5: Solve for x
    x = 25,695,837,017.05/185,344.75
  6. Step 6: Final answer
    x = 138,638.06

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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.