Home / 187,774.16-281,662.47-47,532.78

Finding the Fourth Proportional to 187,774.16, 281,662.47 and 47,532.78

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Solution

The fourth proportional to 187,774.16, 281,662.47 and 47,532.78 is: 71,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,774.16 : 281,662.47 = 47,532.78 : x
  2. Step 2: Convert to fraction form
    187,774.16/281,662.47 = 47,532.78/x
  3. Step 3: Cross multiply
    187,774.16x = 281,662.47 × 47,532.78
  4. Step 4: Simplify right side
    187,774.16x = 13,388,200,220.77
  5. Step 5: Solve for x
    x = 13,388,200,220.77/187,774.16
  6. Step 6: Final answer
    x = 71,299.48

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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.