Home / 236,041.77-325,728.50-128,612.61

Finding the Fourth Proportional to 236,041.77, 325,728.50 and 128,612.61

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Solution

The fourth proportional to 236,041.77, 325,728.50 and 128,612.61 is: 177,480.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,041.77 : 325,728.50 = 128,612.61 : x
  2. Step 2: Convert to fraction form
    236,041.77/325,728.50 = 128,612.61/x
  3. Step 3: Cross multiply
    236,041.77x = 325,728.50 × 128,612.61
  4. Step 4: Simplify right side
    236,041.77x = 41,892,791,893.32
  5. Step 5: Solve for x
    x = 41,892,791,893.32/236,041.77
  6. Step 6: Final answer
    x = 177,480.42

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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.