Home / 236,844.51-326,835.79-129,418.26

Finding the Fourth Proportional to 236,844.51, 326,835.79 and 129,418.26

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Solution

The fourth proportional to 236,844.51, 326,835.79 and 129,418.26 is: 178,591.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,844.51 : 326,835.79 = 129,418.26 : x
  2. Step 2: Convert to fraction form
    236,844.51/326,835.79 = 129,418.26/x
  3. Step 3: Cross multiply
    236,844.51x = 326,835.79 × 129,418.26
  4. Step 4: Simplify right side
    236,844.51x = 42,298,518,923.98
  5. Step 5: Solve for x
    x = 42,298,518,923.98/236,844.51
  6. Step 6: Final answer
    x = 178,591.93

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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.