Home / 133,065.80-183,624.40-75,699.73

Finding the Fourth Proportional to 133,065.80, 183,624.40 and 75,699.73

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Solution

The fourth proportional to 133,065.80, 183,624.40 and 75,699.73 is: 104,461.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,065.80 : 183,624.40 = 75,699.73 : x
  2. Step 2: Convert to fraction form
    133,065.80/183,624.40 = 75,699.73/x
  3. Step 3: Cross multiply
    133,065.80x = 183,624.40 × 75,699.73
  4. Step 4: Simplify right side
    133,065.80x = 13,900,317,825.57
  5. Step 5: Solve for x
    x = 13,900,317,825.57/133,065.80
  6. Step 6: Final answer
    x = 104,461.99

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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.