Home / 120,977.04-166,935.64-67,253.40

Finding the Fourth Proportional to 120,977.04, 166,935.64 and 67,253.40

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Solution

The fourth proportional to 120,977.04, 166,935.64 and 67,253.40 is: 92,802.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,977.04 : 166,935.64 = 67,253.40 : x
  2. Step 2: Convert to fraction form
    120,977.04/166,935.64 = 67,253.40/x
  3. Step 3: Cross multiply
    120,977.04x = 166,935.64 × 67,253.40
  4. Step 4: Simplify right side
    120,977.04x = 11,226,989,371.18
  5. Step 5: Solve for x
    x = 11,226,989,371.18/120,977.04
  6. Step 6: Final answer
    x = 92,802.65

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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.