Home / 120,937.16-166,835.22-104,141

Finding the Fourth Proportional to 120,937.16, 166,835.22 and 104,141

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Solution

The fourth proportional to 120,937.16, 166,835.22 and 104,141 is: 143,664.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,937.16 : 166,835.22 = 104,141 : x
  2. Step 2: Convert to fraction form
    120,937.16/166,835.22 = 104,141/x
  3. Step 3: Cross multiply
    120,937.16x = 166,835.22 × 104,141
  4. Step 4: Simplify right side
    120,937.16x = 17,374,386,646.02
  5. Step 5: Solve for x
    x = 17,374,386,646.02/120,937.16
  6. Step 6: Final answer
    x = 143,664.58

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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.