Home / 236,117.52-325,832.46-128,685.12

Finding the Fourth Proportional to 236,117.52, 325,832.46 and 128,685.12

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Solution

The fourth proportional to 236,117.52, 325,832.46 and 128,685.12 is: 177,580.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,117.52 : 325,832.46 = 128,685.12 : x
  2. Step 2: Convert to fraction form
    236,117.52/325,832.46 = 128,685.12/x
  3. Step 3: Cross multiply
    236,117.52x = 325,832.46 × 128,685.12
  4. Step 4: Simplify right side
    236,117.52x = 41,929,789,215.00
  5. Step 5: Solve for x
    x = 41,929,789,215.00/236,117.52
  6. Step 6: Final answer
    x = 177,580.17

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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.