Home / 236,167.12-325,908.52-128,737.09

Finding the Fourth Proportional to 236,167.12, 325,908.52 and 128,737.09

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Solution

The fourth proportional to 236,167.12, 325,908.52 and 128,737.09 is: 177,656.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,167.12 : 325,908.52 = 128,737.09 : x
  2. Step 2: Convert to fraction form
    236,167.12/325,908.52 = 128,737.09/x
  3. Step 3: Cross multiply
    236,167.12x = 325,908.52 × 128,737.09
  4. Step 4: Simplify right side
    236,167.12x = 41,956,514,471.01
  5. Step 5: Solve for x
    x = 41,956,514,471.01/236,167.12
  6. Step 6: Final answer
    x = 177,656.04

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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.