Home / 282,491.13-423,736.70-105,042.81

Finding the Fourth Proportional to 282,491.13, 423,736.70 and 105,042.81

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Solution

The fourth proportional to 282,491.13, 423,736.70 and 105,042.81 is: 157,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,491.13 : 423,736.70 = 105,042.81 : x
  2. Step 2: Convert to fraction form
    282,491.13/423,736.70 = 105,042.81/x
  3. Step 3: Cross multiply
    282,491.13x = 423,736.70 × 105,042.81
  4. Step 4: Simplify right side
    282,491.13x = 44,510,493,668.13
  5. Step 5: Solve for x
    x = 44,510,493,668.13/282,491.13
  6. Step 6: Final answer
    x = 157,564.22

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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.