Home / 118,606.41-177,968.04-55,430.91

Finding the Fourth Proportional to 118,606.41, 177,968.04 and 55,430.91

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Solution

The fourth proportional to 118,606.41, 177,968.04 and 55,430.91 is: 83,173.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,606.41 : 177,968.04 = 55,430.91 : x
  2. Step 2: Convert to fraction form
    118,606.41/177,968.04 = 55,430.91/x
  3. Step 3: Cross multiply
    118,606.41x = 177,968.04 × 55,430.91
  4. Step 4: Simplify right side
    118,606.41x = 9,864,930,408.12
  5. Step 5: Solve for x
    x = 9,864,930,408.12/118,606.41
  6. Step 6: Final answer
    x = 83,173.67

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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.