Home / 236,342.52-326,153.68-128,914.86

Finding the Fourth Proportional to 236,342.52, 326,153.68 and 128,914.86

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Solution

The fourth proportional to 236,342.52, 326,153.68 and 128,914.86 is: 177,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,342.52 : 326,153.68 = 128,914.86 : x
  2. Step 2: Convert to fraction form
    236,342.52/326,153.68 = 128,914.86/x
  3. Step 3: Cross multiply
    236,342.52x = 326,153.68 × 128,914.86
  4. Step 4: Simplify right side
    236,342.52x = 42,046,055,995.68
  5. Step 5: Solve for x
    x = 42,046,055,995.68/236,342.52
  6. Step 6: Final answer
    x = 177,903.05

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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.