Home / 133,901.28-184,780.48-74,964.03

Finding the Fourth Proportional to 133,901.28, 184,780.48 and 74,964.03

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Solution

The fourth proportional to 133,901.28, 184,780.48 and 74,964.03 is: 103,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,901.28 : 184,780.48 = 74,964.03 : x
  2. Step 2: Convert to fraction form
    133,901.28/184,780.48 = 74,964.03/x
  3. Step 3: Cross multiply
    133,901.28x = 184,780.48 × 74,964.03
  4. Step 4: Simplify right side
    133,901.28x = 13,851,888,522.23
  5. Step 5: Solve for x
    x = 13,851,888,522.23/133,901.28
  6. Step 6: Final answer
    x = 103,448.52

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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.