Home / 117,552.36-162,220.56-66,563.76

Finding the Fourth Proportional to 117,552.36, 162,220.56 and 66,563.76

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Solution

The fourth proportional to 117,552.36, 162,220.56 and 66,563.76 is: 91,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,552.36 : 162,220.56 = 66,563.76 : x
  2. Step 2: Convert to fraction form
    117,552.36/162,220.56 = 66,563.76/x
  3. Step 3: Cross multiply
    117,552.36x = 162,220.56 × 66,563.76
  4. Step 4: Simplify right side
    117,552.36x = 10,798,010,422.91
  5. Step 5: Solve for x
    x = 10,798,010,422.91/117,552.36
  6. Step 6: Final answer
    x = 91,857.03

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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.