Home / 117,163.16-161,685.32-63,448.26

Finding the Fourth Proportional to 117,163.16, 161,685.32 and 63,448.26

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Solution

The fourth proportional to 117,163.16, 161,685.32 and 63,448.26 is: 87,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,163.16 : 161,685.32 = 63,448.26 : x
  2. Step 2: Convert to fraction form
    117,163.16/161,685.32 = 63,448.26/x
  3. Step 3: Cross multiply
    117,163.16x = 161,685.32 × 63,448.26
  4. Step 4: Simplify right side
    117,163.16x = 10,258,652,207.46
  5. Step 5: Solve for x
    x = 10,258,652,207.46/117,163.16
  6. Step 6: Final answer
    x = 87,558.69

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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.