Home / 236,812.03-326,805.30-129,388.73

Finding the Fourth Proportional to 236,812.03, 326,805.30 and 129,388.73

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Solution

The fourth proportional to 236,812.03, 326,805.30 and 129,388.73 is: 178,559.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,812.03 : 326,805.30 = 129,388.73 : x
  2. Step 2: Convert to fraction form
    236,812.03/326,805.30 = 129,388.73/x
  3. Step 3: Cross multiply
    236,812.03x = 326,805.30 × 129,388.73
  4. Step 4: Simplify right side
    236,812.03x = 42,284,921,090.24
  5. Step 5: Solve for x
    x = 42,284,921,090.24/236,812.03
  6. Step 6: Final answer
    x = 178,559.01

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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.