Home / 236,112.93-325,826.35-128,680.66

Finding the Fourth Proportional to 236,112.93, 325,826.35 and 128,680.66

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Solution

The fourth proportional to 236,112.93, 325,826.35 and 128,680.66 is: 177,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,112.93 : 325,826.35 = 128,680.66 : x
  2. Step 2: Convert to fraction form
    236,112.93/325,826.35 = 128,680.66/x
  3. Step 3: Cross multiply
    236,112.93x = 325,826.35 × 128,680.66
  4. Step 4: Simplify right side
    236,112.93x = 41,927,547,490.86
  5. Step 5: Solve for x
    x = 41,927,547,490.86/236,112.93
  6. Step 6: Final answer
    x = 177,574.13

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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.