Home / 164,981.71-227,674.75-89,530.21

Finding the Fourth Proportional to 164,981.71, 227,674.75 and 89,530.21

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Solution

The fourth proportional to 164,981.71, 227,674.75 and 89,530.21 is: 123,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,981.71 : 227,674.75 = 89,530.21 : x
  2. Step 2: Convert to fraction form
    164,981.71/227,674.75 = 89,530.21/x
  3. Step 3: Cross multiply
    164,981.71x = 227,674.75 × 89,530.21
  4. Step 4: Simplify right side
    164,981.71x = 20,383,767,386.19
  5. Step 5: Solve for x
    x = 20,383,767,386.19/164,981.71
  6. Step 6: Final answer
    x = 123,551.68

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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.