Home / 117,736.01-176,640.48-40,805.57

Finding the Fourth Proportional to 117,736.01, 176,640.48 and 40,805.57

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Solution

The fourth proportional to 117,736.01, 176,640.48 and 40,805.57 is: 61,220.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,736.01 : 176,640.48 = 40,805.57 : x
  2. Step 2: Convert to fraction form
    117,736.01/176,640.48 = 40,805.57/x
  3. Step 3: Cross multiply
    117,736.01x = 176,640.48 × 40,805.57
  4. Step 4: Simplify right side
    117,736.01x = 7,207,915,471.47
  5. Step 5: Solve for x
    x = 7,207,915,471.47/117,736.01
  6. Step 6: Final answer
    x = 61,220.99

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1.5x scale

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.