Home / 117,501.28-162,152.09-63,786.33

Finding the Fourth Proportional to 117,501.28, 162,152.09 and 63,786.33

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Solution

The fourth proportional to 117,501.28, 162,152.09 and 63,786.33 is: 88,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,501.28 : 162,152.09 = 63,786.33 : x
  2. Step 2: Convert to fraction form
    117,501.28/162,152.09 = 63,786.33/x
  3. Step 3: Cross multiply
    117,501.28x = 162,152.09 × 63,786.33
  4. Step 4: Simplify right side
    117,501.28x = 10,343,086,882.40
  5. Step 5: Solve for x
    x = 10,343,086,882.40/117,501.28
  6. Step 6: Final answer
    x = 88,025.31

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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.