Home / 120,869.37-166,799.93-67,154.45

Finding the Fourth Proportional to 120,869.37, 166,799.93 and 67,154.45

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Solution

The fourth proportional to 120,869.37, 166,799.93 and 67,154.45 is: 92,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,869.37 : 166,799.93 = 67,154.45 : x
  2. Step 2: Convert to fraction form
    120,869.37/166,799.93 = 67,154.45/x
  3. Step 3: Cross multiply
    120,869.37x = 166,799.93 × 67,154.45
  4. Step 4: Simplify right side
    120,869.37x = 11,201,356,389.42
  5. Step 5: Solve for x
    x = 11,201,356,389.42/120,869.37
  6. Step 6: Final answer
    x = 92,673.24

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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.