Home / 187,888.29-281,290.95-124,771.47

Finding the Fourth Proportional to 187,888.29, 281,290.95 and 124,771.47

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Solution

The fourth proportional to 187,888.29, 281,290.95 and 124,771.47 is: 186,797.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,888.29 : 281,290.95 = 124,771.47 : x
  2. Step 2: Convert to fraction form
    187,888.29/281,290.95 = 124,771.47/x
  3. Step 3: Cross multiply
    187,888.29x = 281,290.95 × 124,771.47
  4. Step 4: Simplify right side
    187,888.29x = 35,097,085,329.20
  5. Step 5: Solve for x
    x = 35,097,085,329.20/187,888.29
  6. Step 6: Final answer
    x = 186,797.62

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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.