Home / 185,005.28-277,337.81-66,647.67

Finding the Fourth Proportional to 185,005.28, 277,337.81 and 66,647.67

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Solution

The fourth proportional to 185,005.28, 277,337.81 and 66,647.67 is: 99,910.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,005.28 : 277,337.81 = 66,647.67 : x
  2. Step 2: Convert to fraction form
    185,005.28/277,337.81 = 66,647.67/x
  3. Step 3: Cross multiply
    185,005.28x = 277,337.81 × 66,647.67
  4. Step 4: Simplify right side
    185,005.28x = 18,483,918,839.40
  5. Step 5: Solve for x
    x = 18,483,918,839.40/185,005.28
  6. Step 6: Final answer
    x = 99,910.23

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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.