Home / 133,298.07-183,930.76-75,930.10

Finding the Fourth Proportional to 133,298.07, 183,930.76 and 75,930.10

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Solution

The fourth proportional to 133,298.07, 183,930.76 and 75,930.10 is: 104,771.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,298.07 : 183,930.76 = 75,930.10 : x
  2. Step 2: Convert to fraction form
    133,298.07/183,930.76 = 75,930.10/x
  3. Step 3: Cross multiply
    133,298.07x = 183,930.76 × 75,930.10
  4. Step 4: Simplify right side
    133,298.07x = 13,965,881,946.68
  5. Step 5: Solve for x
    x = 13,965,881,946.68/133,298.07
  6. Step 6: Final answer
    x = 104,771.82

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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.