Home / 187,780.87-281,354.59-92,884.51

Finding the Fourth Proportional to 187,780.87, 281,354.59 and 92,884.51

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Solution

The fourth proportional to 187,780.87, 281,354.59 and 92,884.51 is: 139,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,780.87 : 281,354.59 = 92,884.51 : x
  2. Step 2: Convert to fraction form
    187,780.87/281,354.59 = 92,884.51/x
  3. Step 3: Cross multiply
    187,780.87x = 281,354.59 × 92,884.51
  4. Step 4: Simplify right side
    187,780.87x = 26,133,483,228.40
  5. Step 5: Solve for x
    x = 26,133,483,228.40/187,780.87
  6. Step 6: Final answer
    x = 139,170.10

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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.