Home / 119,421.40-164,825.10-68,468.36

Finding the Fourth Proportional to 119,421.40, 164,825.10 and 68,468.36

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Solution

The fourth proportional to 119,421.40, 164,825.10 and 68,468.36 is: 94,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,421.40 : 164,825.10 = 68,468.36 : x
  2. Step 2: Convert to fraction form
    119,421.40/164,825.10 = 68,468.36/x
  3. Step 3: Cross multiply
    119,421.40x = 164,825.10 × 68,468.36
  4. Step 4: Simplify right side
    119,421.40x = 11,285,304,283.84
  5. Step 5: Solve for x
    x = 11,285,304,283.84/119,421.40
  6. Step 6: Final answer
    x = 94,499.85

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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.