Home / 187,929.22-281,879.12-52,987.84

Finding the Fourth Proportional to 187,929.22, 281,879.12 and 52,987.84

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Solution

The fourth proportional to 187,929.22, 281,879.12 and 52,987.84 is: 79,477.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,929.22 : 281,879.12 = 52,987.84 : x
  2. Step 2: Convert to fraction form
    187,929.22/281,879.12 = 52,987.84/x
  3. Step 3: Cross multiply
    187,929.22x = 281,879.12 × 52,987.84
  4. Step 4: Simplify right side
    187,929.22x = 14,936,164,035.57
  5. Step 5: Solve for x
    x = 14,936,164,035.57/187,929.22
  6. Step 6: Final answer
    x = 79,477.61

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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.