Home / 187,470.86-281,206.28-47,240.42

Finding the Fourth Proportional to 187,470.86, 281,206.28 and 47,240.42

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Solution

The fourth proportional to 187,470.86, 281,206.28 and 47,240.42 is: 70,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,470.86 : 281,206.28 = 47,240.42 : x
  2. Step 2: Convert to fraction form
    187,470.86/281,206.28 = 47,240.42/x
  3. Step 3: Cross multiply
    187,470.86x = 281,206.28 × 47,240.42
  4. Step 4: Simplify right side
    187,470.86x = 13,284,301,485.91
  5. Step 5: Solve for x
    x = 13,284,301,485.91/187,470.86
  6. Step 6: Final answer
    x = 70,860.62

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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.