Home / 117,519.57-162,187.05-66,541.29

Finding the Fourth Proportional to 117,519.57, 162,187.05 and 66,541.29

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Solution

The fourth proportional to 117,519.57, 162,187.05 and 66,541.29 is: 91,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,519.57 : 162,187.05 = 66,541.29 : x
  2. Step 2: Convert to fraction form
    117,519.57/162,187.05 = 66,541.29/x
  3. Step 3: Cross multiply
    117,519.57x = 162,187.05 × 66,541.29
  4. Step 4: Simplify right side
    117,519.57x = 10,792,135,528.29
  5. Step 5: Solve for x
    x = 10,792,135,528.29/117,519.57
  6. Step 6: Final answer
    x = 91,832.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.