Home / 133,073.40-183,659.76-76,483.56

Finding the Fourth Proportional to 133,073.40, 183,659.76 and 76,483.56

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Solution

The fourth proportional to 133,073.40, 183,659.76 and 76,483.56 is: 105,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,073.40 : 183,659.76 = 76,483.56 : x
  2. Step 2: Convert to fraction form
    133,073.40/183,659.76 = 76,483.56/x
  3. Step 3: Cross multiply
    133,073.40x = 183,659.76 × 76,483.56
  4. Step 4: Simplify right side
    133,073.40x = 14,046,952,273.55
  5. Step 5: Solve for x
    x = 14,046,952,273.55/133,073.40
  6. Step 6: Final answer
    x = 105,557.93

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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.