Home / 133,086.40-183,677.76-76,496.56

Finding the Fourth Proportional to 133,086.40, 183,677.76 and 76,496.56

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Solution

The fourth proportional to 133,086.40, 183,677.76 and 76,496.56 is: 105,575.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,086.40 : 183,677.76 = 76,496.56 : x
  2. Step 2: Convert to fraction form
    133,086.40/183,677.76 = 76,496.56/x
  3. Step 3: Cross multiply
    133,086.40x = 183,677.76 × 76,496.56
  4. Step 4: Simplify right side
    133,086.40x = 14,050,716,788.51
  5. Step 5: Solve for x
    x = 14,050,716,788.51/133,086.40
  6. Step 6: Final answer
    x = 105,575.90

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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.