Home / 116,492.38-160,758.66-66,191.38

Finding the Fourth Proportional to 116,492.38, 160,758.66 and 66,191.38

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Solution

The fourth proportional to 116,492.38, 160,758.66 and 66,191.38 is: 91,343.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,492.38 : 160,758.66 = 66,191.38 : x
  2. Step 2: Convert to fraction form
    116,492.38/160,758.66 = 66,191.38/x
  3. Step 3: Cross multiply
    116,492.38x = 160,758.66 × 66,191.38
  4. Step 4: Simplify right side
    116,492.38x = 10,640,837,552.35
  5. Step 5: Solve for x
    x = 10,640,837,552.35/116,492.38
  6. Step 6: Final answer
    x = 91,343.64

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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.