Home / 133,835.30-184,531.20-115,653.50

Finding the Fourth Proportional to 133,835.30, 184,531.20 and 115,653.50

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Solution

The fourth proportional to 133,835.30, 184,531.20 and 115,653.50 is: 159,462.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,835.30 : 184,531.20 = 115,653.50 : x
  2. Step 2: Convert to fraction form
    133,835.30/184,531.20 = 115,653.50/x
  3. Step 3: Cross multiply
    133,835.30x = 184,531.20 × 115,653.50
  4. Step 4: Simplify right side
    133,835.30x = 21,341,679,139.20
  5. Step 5: Solve for x
    x = 21,341,679,139.20/133,835.30
  6. Step 6: Final answer
    x = 159,462.26

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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.