Home / 162,930.74-224,857.73-90,356.36

Finding the Fourth Proportional to 162,930.74, 224,857.73 and 90,356.36

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Solution

The fourth proportional to 162,930.74, 224,857.73 and 90,356.36 is: 124,699.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,930.74 : 224,857.73 = 90,356.36 : x
  2. Step 2: Convert to fraction form
    162,930.74/224,857.73 = 90,356.36/x
  3. Step 3: Cross multiply
    162,930.74x = 224,857.73 × 90,356.36
  4. Step 4: Simplify right side
    162,930.74x = 20,317,324,424.59
  5. Step 5: Solve for x
    x = 20,317,324,424.59/162,930.74
  6. Step 6: Final answer
    x = 124,699.15

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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.