Home / 186,210.74-279,454.68-91,491.77

Finding the Fourth Proportional to 186,210.74, 279,454.68 and 91,491.77

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Solution

The fourth proportional to 186,210.74, 279,454.68 and 91,491.77 is: 137,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,210.74 : 279,454.68 = 91,491.77 : x
  2. Step 2: Convert to fraction form
    186,210.74/279,454.68 = 91,491.77/x
  3. Step 3: Cross multiply
    186,210.74x = 279,454.68 × 91,491.77
  4. Step 4: Simplify right side
    186,210.74x = 25,567,801,910.71
  5. Step 5: Solve for x
    x = 25,567,801,910.71/186,210.74
  6. Step 6: Final answer
    x = 137,305.74

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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.