Home / 236,777.51-326,748.85-129,344.78

Finding the Fourth Proportional to 236,777.51, 326,748.85 and 129,344.78

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Solution

The fourth proportional to 236,777.51, 326,748.85 and 129,344.78 is: 178,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,777.51 : 326,748.85 = 129,344.78 : x
  2. Step 2: Convert to fraction form
    236,777.51/326,748.85 = 129,344.78/x
  3. Step 3: Cross multiply
    236,777.51x = 326,748.85 × 129,344.78
  4. Step 4: Simplify right side
    236,777.51x = 42,263,258,612.01
  5. Step 5: Solve for x
    x = 42,263,258,612.01/236,777.51
  6. Step 6: Final answer
    x = 178,493.55

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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.