Home / 236,655.18-326,597.43-129,235.20

Finding the Fourth Proportional to 236,655.18, 326,597.43 and 129,235.20

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Solution

The fourth proportional to 236,655.18, 326,597.43 and 129,235.20 is: 178,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,655.18 : 326,597.43 = 129,235.20 : x
  2. Step 2: Convert to fraction form
    236,655.18/326,597.43 = 129,235.20/x
  3. Step 3: Cross multiply
    236,655.18x = 326,597.43 × 129,235.20
  4. Step 4: Simplify right side
    236,655.18x = 42,207,884,185.54
  5. Step 5: Solve for x
    x = 42,207,884,185.54/236,655.18
  6. Step 6: Final answer
    x = 178,351.83

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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.