Home / 133,265.30-183,905.80-75,904.61

Finding the Fourth Proportional to 133,265.30, 183,905.80 and 75,904.61

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Solution

The fourth proportional to 133,265.30, 183,905.80 and 75,904.61 is: 104,748.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,265.30 : 183,905.80 = 75,904.61 : x
  2. Step 2: Convert to fraction form
    133,265.30/183,905.80 = 75,904.61/x
  3. Step 3: Cross multiply
    133,265.30x = 183,905.80 × 75,904.61
  4. Step 4: Simplify right side
    133,265.30x = 13,959,296,916.45
  5. Step 5: Solve for x
    x = 13,959,296,916.45/133,265.30
  6. Step 6: Final answer
    x = 104,748.18

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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.