Home / 117,461.12-176,190.16-28,715.36

Finding the Fourth Proportional to 117,461.12, 176,190.16 and 28,715.36

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Solution

The fourth proportional to 117,461.12, 176,190.16 and 28,715.36 is: 43,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,461.12 : 176,190.16 = 28,715.36 : x
  2. Step 2: Convert to fraction form
    117,461.12/176,190.16 = 28,715.36/x
  3. Step 3: Cross multiply
    117,461.12x = 176,190.16 × 28,715.36
  4. Step 4: Simplify right side
    117,461.12x = 5,059,363,872.86
  5. Step 5: Solve for x
    x = 5,059,363,872.86/117,461.12
  6. Step 6: Final answer
    x = 43,072.67

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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.