Home / 236,158.30-325,893.27-128,724.22

Finding the Fourth Proportional to 236,158.30, 325,893.27 and 128,724.22

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Solution

The fourth proportional to 236,158.30, 325,893.27 and 128,724.22 is: 177,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,158.30 : 325,893.27 = 128,724.22 : x
  2. Step 2: Convert to fraction form
    236,158.30/325,893.27 = 128,724.22/x
  3. Step 3: Cross multiply
    236,158.30x = 325,893.27 × 128,724.22
  4. Step 4: Simplify right side
    236,158.30x = 41,950,356,984.00
  5. Step 5: Solve for x
    x = 41,950,356,984.00/236,158.30
  6. Step 6: Final answer
    x = 177,636.60

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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.