Home / 120,242.64-165,927.96-66,524.45

Finding the Fourth Proportional to 120,242.64, 165,927.96 and 66,524.45

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Solution

The fourth proportional to 120,242.64, 165,927.96 and 66,524.45 is: 91,799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,242.64 : 165,927.96 = 66,524.45 : x
  2. Step 2: Convert to fraction form
    120,242.64/165,927.96 = 66,524.45/x
  3. Step 3: Cross multiply
    120,242.64x = 165,927.96 × 66,524.45
  4. Step 4: Simplify right side
    120,242.64x = 11,038,265,946.00
  5. Step 5: Solve for x
    x = 11,038,265,946.00/120,242.64
  6. Step 6: Final answer
    x = 91,799.93

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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.