Home / 187,719.99-281,580.36-45,564.67

Finding the Fourth Proportional to 187,719.99, 281,580.36 and 45,564.67

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Solution

The fourth proportional to 187,719.99, 281,580.36 and 45,564.67 is: 68,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,719.99 : 281,580.36 = 45,564.67 : x
  2. Step 2: Convert to fraction form
    187,719.99/281,580.36 = 45,564.67/x
  3. Step 3: Cross multiply
    187,719.99x = 281,580.36 × 45,564.67
  4. Step 4: Simplify right side
    187,719.99x = 12,830,116,181.88
  5. Step 5: Solve for x
    x = 12,830,116,181.88/187,719.99
  6. Step 6: Final answer
    x = 68,347.10

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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.