Home / 133,084.60-183,663.66-76,501.24

Finding the Fourth Proportional to 133,084.60, 183,663.66 and 76,501.24

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Solution

The fourth proportional to 133,084.60, 183,663.66 and 76,501.24 is: 105,575.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,084.60 : 183,663.66 = 76,501.24 : x
  2. Step 2: Convert to fraction form
    133,084.60/183,663.66 = 76,501.24/x
  3. Step 3: Cross multiply
    133,084.60x = 183,663.66 × 76,501.24
  4. Step 4: Simplify right side
    133,084.60x = 14,050,497,732.94
  5. Step 5: Solve for x
    x = 14,050,497,732.94/133,084.60
  6. Step 6: Final answer
    x = 105,575.68

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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.