Home / 236,037.60-325,734.29-128,609.43

Finding the Fourth Proportional to 236,037.60, 325,734.29 and 128,609.43

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Solution

The fourth proportional to 236,037.60, 325,734.29 and 128,609.43 is: 177,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,037.60 : 325,734.29 = 128,609.43 : x
  2. Step 2: Convert to fraction form
    236,037.60/325,734.29 = 128,609.43/x
  3. Step 3: Cross multiply
    236,037.60x = 325,734.29 × 128,609.43
  4. Step 4: Simplify right side
    236,037.60x = 41,892,500,725.31
  5. Step 5: Solve for x
    x = 41,892,500,725.31/236,037.60
  6. Step 6: Final answer
    x = 177,482.32

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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.