Home / 117,936.48-162,726-98,893.28

Finding the Fourth Proportional to 117,936.48, 162,726 and 98,893.28

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Solution

The fourth proportional to 117,936.48, 162,726 and 98,893.28 is: 136,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,936.48 : 162,726 = 98,893.28 : x
  2. Step 2: Convert to fraction form
    117,936.48/162,726 = 98,893.28/x
  3. Step 3: Cross multiply
    117,936.48x = 162,726 × 98,893.28
  4. Step 4: Simplify right side
    117,936.48x = 16,092,507,881.28
  5. Step 5: Solve for x
    x = 16,092,507,881.28/117,936.48
  6. Step 6: Final answer
    x = 136,450.64

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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.