Home / 236,155.14-325,897.49-128,725.17

Finding the Fourth Proportional to 236,155.14, 325,897.49 and 128,725.17

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Solution

The fourth proportional to 236,155.14, 325,897.49 and 128,725.17 is: 177,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,155.14 : 325,897.49 = 128,725.17 : x
  2. Step 2: Convert to fraction form
    236,155.14/325,897.49 = 128,725.17/x
  3. Step 3: Cross multiply
    236,155.14x = 325,897.49 × 128,725.17
  4. Step 4: Simplify right side
    236,155.14x = 41,951,209,159.20
  5. Step 5: Solve for x
    x = 41,951,209,159.20/236,155.14
  6. Step 6: Final answer
    x = 177,642.58

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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.