Home / 236,777.49-326,748.83-129,344.76

Finding the Fourth Proportional to 236,777.49, 326,748.83 and 129,344.76

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Solution

The fourth proportional to 236,777.49, 326,748.83 and 129,344.76 is: 178,493.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,777.49 : 326,748.83 = 129,344.76 : x
  2. Step 2: Convert to fraction form
    236,777.49/326,748.83 = 129,344.76/x
  3. Step 3: Cross multiply
    236,777.49x = 326,748.83 × 129,344.76
  4. Step 4: Simplify right side
    236,777.49x = 42,263,248,349.91
  5. Step 5: Solve for x
    x = 42,263,248,349.91/236,777.49
  6. Step 6: Final answer
    x = 178,493.52

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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.