Home / 187,923.69-281,847.29-69,566.90

Finding the Fourth Proportional to 187,923.69, 281,847.29 and 69,566.90

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Solution

The fourth proportional to 187,923.69, 281,847.29 and 69,566.90 is: 104,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,923.69 : 281,847.29 = 69,566.90 : x
  2. Step 2: Convert to fraction form
    187,923.69/281,847.29 = 69,566.90/x
  3. Step 3: Cross multiply
    187,923.69x = 281,847.29 × 69,566.90
  4. Step 4: Simplify right side
    187,923.69x = 19,607,240,481.63
  5. Step 5: Solve for x
    x = 19,607,240,481.63/187,923.69
  6. Step 6: Final answer
    x = 104,336.18

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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.