Home / 133,654.19-184,448.85-76,309.02

Finding the Fourth Proportional to 133,654.19, 184,448.85 and 76,309.02

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Solution

The fourth proportional to 133,654.19, 184,448.85 and 76,309.02 is: 105,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,654.19 : 184,448.85 = 76,309.02 : x
  2. Step 2: Convert to fraction form
    133,654.19/184,448.85 = 76,309.02/x
  3. Step 3: Cross multiply
    133,654.19x = 184,448.85 × 76,309.02
  4. Step 4: Simplify right side
    133,654.19x = 14,075,110,697.47
  5. Step 5: Solve for x
    x = 14,075,110,697.47/133,654.19
  6. Step 6: Final answer
    x = 105,309.91

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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.