Home / 236,165.37-325,901.70-128,737.50

Finding the Fourth Proportional to 236,165.37, 325,901.70 and 128,737.50

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Solution

The fourth proportional to 236,165.37, 325,901.70 and 128,737.50 is: 177,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,165.37 : 325,901.70 = 128,737.50 : x
  2. Step 2: Convert to fraction form
    236,165.37/325,901.70 = 128,737.50/x
  3. Step 3: Cross multiply
    236,165.37x = 325,901.70 × 128,737.50
  4. Step 4: Simplify right side
    236,165.37x = 41,955,770,103.75
  5. Step 5: Solve for x
    x = 41,955,770,103.75/236,165.37
  6. Step 6: Final answer
    x = 177,654.20

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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.