Home / 119,408.42-164,807.16-68,455.35

Finding the Fourth Proportional to 119,408.42, 164,807.16 and 68,455.35

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Solution

The fourth proportional to 119,408.42, 164,807.16 and 68,455.35 is: 94,481.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,408.42 : 164,807.16 = 68,455.35 : x
  2. Step 2: Convert to fraction form
    119,408.42/164,807.16 = 68,455.35/x
  3. Step 3: Cross multiply
    119,408.42x = 164,807.16 × 68,455.35
  4. Step 4: Simplify right side
    119,408.42x = 11,281,931,820.31
  5. Step 5: Solve for x
    x = 11,281,931,820.31/119,408.42
  6. Step 6: Final answer
    x = 94,481.88

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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.