Home / 187,878.10-281,848.20-93,112.70

Finding the Fourth Proportional to 187,878.10, 281,848.20 and 93,112.70

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Solution

The fourth proportional to 187,878.10, 281,848.20 and 93,112.70 is: 139,684.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,878.10 : 281,848.20 = 93,112.70 : x
  2. Step 2: Convert to fraction form
    187,878.10/281,848.20 = 93,112.70/x
  3. Step 3: Cross multiply
    187,878.10x = 281,848.20 × 93,112.70
  4. Step 4: Simplify right side
    187,878.10x = 26,243,646,892.14
  5. Step 5: Solve for x
    x = 26,243,646,892.14/187,878.10
  6. Step 6: Final answer
    x = 139,684.44

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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.