Home / 186,174.48-279,261.71-86,321.52

Finding the Fourth Proportional to 186,174.48, 279,261.71 and 86,321.52

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Solution

The fourth proportional to 186,174.48, 279,261.71 and 86,321.52 is: 129,482.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,174.48 : 279,261.71 = 86,321.52 : x
  2. Step 2: Convert to fraction form
    186,174.48/279,261.71 = 86,321.52/x
  3. Step 3: Cross multiply
    186,174.48x = 279,261.71 × 86,321.52
  4. Step 4: Simplify right side
    186,174.48x = 24,106,295,285.00
  5. Step 5: Solve for x
    x = 24,106,295,285.00/186,174.48
  6. Step 6: Final answer
    x = 129,482.28

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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.