Home / 133,147.61-183,744.96-75,784.13

Finding the Fourth Proportional to 133,147.61, 183,744.96 and 75,784.13

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Solution

The fourth proportional to 133,147.61, 183,744.96 and 75,784.13 is: 104,582.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,147.61 : 183,744.96 = 75,784.13 : x
  2. Step 2: Convert to fraction form
    133,147.61/183,744.96 = 75,784.13/x
  3. Step 3: Cross multiply
    133,147.61x = 183,744.96 × 75,784.13
  4. Step 4: Simplify right side
    133,147.61x = 13,924,951,935.48
  5. Step 5: Solve for x
    x = 13,924,951,935.48/133,147.61
  6. Step 6: Final answer
    x = 104,582.82

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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.