Home / 187,404.48-281,199.08-87,571.56

Finding the Fourth Proportional to 187,404.48, 281,199.08 and 87,571.56

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Solution

The fourth proportional to 187,404.48, 281,199.08 and 87,571.56 is: 131,400.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,404.48 : 281,199.08 = 87,571.56 : x
  2. Step 2: Convert to fraction form
    187,404.48/281,199.08 = 87,571.56/x
  3. Step 3: Cross multiply
    187,404.48x = 281,199.08 × 87,571.56
  4. Step 4: Simplify right side
    187,404.48x = 24,625,042,106.16
  5. Step 5: Solve for x
    x = 24,625,042,106.16/187,404.48
  6. Step 6: Final answer
    x = 131,400.50

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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.