Home / 296,564.28-444,911.76-86,218.62

Finding the Fourth Proportional to 296,564.28, 444,911.76 and 86,218.62

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Solution

The fourth proportional to 296,564.28, 444,911.76 and 86,218.62 is: 129,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,564.28 : 444,911.76 = 86,218.62 : x
  2. Step 2: Convert to fraction form
    296,564.28/444,911.76 = 86,218.62/x
  3. Step 3: Cross multiply
    296,564.28x = 444,911.76 × 86,218.62
  4. Step 4: Simplify right side
    296,564.28x = 38,359,677,968.97
  5. Step 5: Solve for x
    x = 38,359,677,968.97/296,564.28
  6. Step 6: Final answer
    x = 129,346.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.