Home / 117,173.36-161,698.32-63,457.13

Finding the Fourth Proportional to 117,173.36, 161,698.32 and 63,457.13

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Solution

The fourth proportional to 117,173.36, 161,698.32 and 63,457.13 is: 87,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,173.36 : 161,698.32 = 63,457.13 : x
  2. Step 2: Convert to fraction form
    117,173.36/161,698.32 = 63,457.13/x
  3. Step 3: Cross multiply
    117,173.36x = 161,698.32 × 63,457.13
  4. Step 4: Simplify right side
    117,173.36x = 10,260,910,504.53
  5. Step 5: Solve for x
    x = 10,260,910,504.53/117,173.36
  6. Step 6: Final answer
    x = 87,570.34

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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.