Home / 236,863.90-326,858.25-129,412.54

Finding the Fourth Proportional to 236,863.90, 326,858.25 and 129,412.54

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Solution

The fourth proportional to 236,863.90, 326,858.25 and 129,412.54 is: 178,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,863.90 : 326,858.25 = 129,412.54 : x
  2. Step 2: Convert to fraction form
    236,863.90/326,858.25 = 129,412.54/x
  3. Step 3: Cross multiply
    236,863.90x = 326,858.25 × 129,412.54
  4. Step 4: Simplify right side
    236,863.90x = 42,299,556,352.46
  5. Step 5: Solve for x
    x = 42,299,556,352.46/236,863.90
  6. Step 6: Final answer
    x = 178,581.69

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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.