Home / 236,493.20-326,361.53-129,065.63

Finding the Fourth Proportional to 236,493.20, 326,361.53 and 129,065.63

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Solution

The fourth proportional to 236,493.20, 326,361.53 and 129,065.63 is: 178,111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,493.20 : 326,361.53 = 129,065.63 : x
  2. Step 2: Convert to fraction form
    236,493.20/326,361.53 = 129,065.63/x
  3. Step 3: Cross multiply
    236,493.20x = 326,361.53 × 129,065.63
  4. Step 4: Simplify right side
    236,493.20x = 42,122,055,168.07
  5. Step 5: Solve for x
    x = 42,122,055,168.07/236,493.20
  6. Step 6: Final answer
    x = 178,111.06

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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.