Home / 185,514.30-278,271.45-163,352.70

Finding the Fourth Proportional to 185,514.30, 278,271.45 and 163,352.70

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Solution

The fourth proportional to 185,514.30, 278,271.45 and 163,352.70 is: 245,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,514.30 : 278,271.45 = 163,352.70 : x
  2. Step 2: Convert to fraction form
    185,514.30/278,271.45 = 163,352.70/x
  3. Step 3: Cross multiply
    185,514.30x = 278,271.45 × 163,352.70
  4. Step 4: Simplify right side
    185,514.30x = 45,456,392,690.42
  5. Step 5: Solve for x
    x = 45,456,392,690.42/185,514.30
  6. Step 6: Final answer
    x = 245,029.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.