Home / 236,925.12-355,335.18-68,408.78

Finding the Fourth Proportional to 236,925.12, 355,335.18 and 68,408.78

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Solution

The fourth proportional to 236,925.12, 355,335.18 and 68,408.78 is: 102,598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,925.12 : 355,335.18 = 68,408.78 : x
  2. Step 2: Convert to fraction form
    236,925.12/355,335.18 = 68,408.78/x
  3. Step 3: Cross multiply
    236,925.12x = 355,335.18 × 68,408.78
  4. Step 4: Simplify right side
    236,925.12x = 24,308,046,154.88
  5. Step 5: Solve for x
    x = 24,308,046,154.88/236,925.12
  6. Step 6: Final answer
    x = 102,598.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.