Home / 120,464.55-166,248.43-69,476.36

Finding the Fourth Proportional to 120,464.55, 166,248.43 and 69,476.36

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Solution

The fourth proportional to 120,464.55, 166,248.43 and 69,476.36 is: 95,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,464.55 : 166,248.43 = 69,476.36 : x
  2. Step 2: Convert to fraction form
    120,464.55/166,248.43 = 69,476.36/x
  3. Step 3: Cross multiply
    120,464.55x = 166,248.43 × 69,476.36
  4. Step 4: Simplify right side
    120,464.55x = 11,550,334,767.18
  5. Step 5: Solve for x
    x = 11,550,334,767.18/120,464.55
  6. Step 6: Final answer
    x = 95,881.61

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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.