Home / 236,822.72-326,820.06-129,399.39

Finding the Fourth Proportional to 236,822.72, 326,820.06 and 129,399.39

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Solution

The fourth proportional to 236,822.72, 326,820.06 and 129,399.39 is: 178,573.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,822.72 : 326,820.06 = 129,399.39 : x
  2. Step 2: Convert to fraction form
    236,822.72/326,820.06 = 129,399.39/x
  3. Step 3: Cross multiply
    236,822.72x = 326,820.06 × 129,399.39
  4. Step 4: Simplify right side
    236,822.72x = 42,290,316,403.76
  5. Step 5: Solve for x
    x = 42,290,316,403.76/236,822.72
  6. Step 6: Final answer
    x = 178,573.73

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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.