Home / 236,648.35-326,575.92-129,218.38

Finding the Fourth Proportional to 236,648.35, 326,575.92 and 129,218.38

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Solution

The fourth proportional to 236,648.35, 326,575.92 and 129,218.38 is: 178,322.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,648.35 : 326,575.92 = 129,218.38 : x
  2. Step 2: Convert to fraction form
    236,648.35/326,575.92 = 129,218.38/x
  3. Step 3: Cross multiply
    236,648.35x = 326,575.92 × 129,218.38
  4. Step 4: Simplify right side
    236,648.35x = 42,199,609,050.44
  5. Step 5: Solve for x
    x = 42,199,609,050.44/236,648.35
  6. Step 6: Final answer
    x = 178,322.01

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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.