Home / 236,141.26-325,875.14-128,709.13

Finding the Fourth Proportional to 236,141.26, 325,875.14 and 128,709.13

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Solution

The fourth proportional to 236,141.26, 325,875.14 and 128,709.13 is: 177,618.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,141.26 : 325,875.14 = 128,709.13 : x
  2. Step 2: Convert to fraction form
    236,141.26/325,875.14 = 128,709.13/x
  3. Step 3: Cross multiply
    236,141.26x = 325,875.14 × 128,709.13
  4. Step 4: Simplify right side
    236,141.26x = 41,943,105,114.48
  5. Step 5: Solve for x
    x = 41,943,105,114.48/236,141.26
  6. Step 6: Final answer
    x = 177,618.71

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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.