Home / 187,746.71-281,805.09-133,771.35

Finding the Fourth Proportional to 187,746.71, 281,805.09 and 133,771.35

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Solution

The fourth proportional to 187,746.71, 281,805.09 and 133,771.35 is: 200,788.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,746.71 : 281,805.09 = 133,771.35 : x
  2. Step 2: Convert to fraction form
    187,746.71/281,805.09 = 133,771.35/x
  3. Step 3: Cross multiply
    187,746.71x = 281,805.09 × 133,771.35
  4. Step 4: Simplify right side
    187,746.71x = 37,697,447,326.17
  5. Step 5: Solve for x
    x = 37,697,447,326.17/187,746.71
  6. Step 6: Final answer
    x = 200,788.86

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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.