Home / 185,031.44-255,344.16-100,148.48

Finding the Fourth Proportional to 185,031.44, 255,344.16 and 100,148.48

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Solution

The fourth proportional to 185,031.44, 255,344.16 and 100,148.48 is: 138,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,031.44 : 255,344.16 = 100,148.48 : x
  2. Step 2: Convert to fraction form
    185,031.44/255,344.16 = 100,148.48/x
  3. Step 3: Cross multiply
    185,031.44x = 255,344.16 × 100,148.48
  4. Step 4: Simplify right side
    185,031.44x = 25,572,329,500.88
  5. Step 5: Solve for x
    x = 25,572,329,500.88/185,031.44
  6. Step 6: Final answer
    x = 138,205.32

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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.