Home / 236,085.84-325,788.96-128,653.58

Finding the Fourth Proportional to 236,085.84, 325,788.96 and 128,653.58

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Solution

The fourth proportional to 236,085.84, 325,788.96 and 128,653.58 is: 177,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,085.84 : 325,788.96 = 128,653.58 : x
  2. Step 2: Convert to fraction form
    236,085.84/325,788.96 = 128,653.58/x
  3. Step 3: Cross multiply
    236,085.84x = 325,788.96 × 128,653.58
  4. Step 4: Simplify right side
    236,085.84x = 41,913,916,028.48
  5. Step 5: Solve for x
    x = 41,913,916,028.48/236,085.84
  6. Step 6: Final answer
    x = 177,536.76

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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.