Home / 187,853.99-259,200.20-111,339.35

Finding the Fourth Proportional to 187,853.99, 259,200.20 and 111,339.35

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Solution

The fourth proportional to 187,853.99, 259,200.20 and 111,339.35 is: 153,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,853.99 : 259,200.20 = 111,339.35 : x
  2. Step 2: Convert to fraction form
    187,853.99/259,200.20 = 111,339.35/x
  3. Step 3: Cross multiply
    187,853.99x = 259,200.20 × 111,339.35
  4. Step 4: Simplify right side
    187,853.99x = 28,859,181,231.17
  5. Step 5: Solve for x
    x = 28,859,181,231.17/187,853.99
  6. Step 6: Final answer
    x = 153,625.60

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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.