Home / 236,016.70-325,703.08-128,586.74

Finding the Fourth Proportional to 236,016.70, 325,703.08 and 128,586.74

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Solution

The fourth proportional to 236,016.70, 325,703.08 and 128,586.74 is: 177,449.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,016.70 : 325,703.08 = 128,586.74 : x
  2. Step 2: Convert to fraction form
    236,016.70/325,703.08 = 128,586.74/x
  3. Step 3: Cross multiply
    236,016.70x = 325,703.08 × 128,586.74
  4. Step 4: Simplify right side
    236,016.70x = 41,881,095,797.38
  5. Step 5: Solve for x
    x = 41,881,095,797.38/236,016.70
  6. Step 6: Final answer
    x = 177,449.71

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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.