Home / 133,181.31-183,795.80-76,592.73

Finding the Fourth Proportional to 133,181.31, 183,795.80 and 76,592.73

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Solution

The fourth proportional to 133,181.31, 183,795.80 and 76,592.73 is: 105,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,181.31 : 183,795.80 = 76,592.73 : x
  2. Step 2: Convert to fraction form
    133,181.31/183,795.80 = 76,592.73/x
  3. Step 3: Cross multiply
    133,181.31x = 183,795.80 × 76,592.73
  4. Step 4: Simplify right side
    133,181.31x = 14,077,421,701.57
  5. Step 5: Solve for x
    x = 14,077,421,701.57/133,181.31
  6. Step 6: Final answer
    x = 105,701.18

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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.