Home / 186,173.48-279,260.21-86,320.52

Finding the Fourth Proportional to 186,173.48, 279,260.21 and 86,320.52

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Solution

The fourth proportional to 186,173.48, 279,260.21 and 86,320.52 is: 129,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,173.48 : 279,260.21 = 86,320.52 : x
  2. Step 2: Convert to fraction form
    186,173.48/279,260.21 = 86,320.52/x
  3. Step 3: Cross multiply
    186,173.48x = 279,260.21 × 86,320.52
  4. Step 4: Simplify right side
    186,173.48x = 24,105,886,542.51
  5. Step 5: Solve for x
    x = 24,105,886,542.51/186,173.48
  6. Step 6: Final answer
    x = 129,480.78

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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.