Home / 236,025.06-325,718.31-128,595.06

Finding the Fourth Proportional to 236,025.06, 325,718.31 and 128,595.06

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Solution

The fourth proportional to 236,025.06, 325,718.31 and 128,595.06 is: 177,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,025.06 : 325,718.31 = 128,595.06 : x
  2. Step 2: Convert to fraction form
    236,025.06/325,718.31 = 128,595.06/x
  3. Step 3: Cross multiply
    236,025.06x = 325,718.31 × 128,595.06
  4. Step 4: Simplify right side
    236,025.06x = 41,885,766,099.78
  5. Step 5: Solve for x
    x = 41,885,766,099.78/236,025.06
  6. Step 6: Final answer
    x = 177,463.22

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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.