Home / 186,216.08-279,351.91-86,386.36

Finding the Fourth Proportional to 186,216.08, 279,351.91 and 86,386.36

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Solution

The fourth proportional to 186,216.08, 279,351.91 and 86,386.36 is: 129,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,216.08 : 279,351.91 = 86,386.36 : x
  2. Step 2: Convert to fraction form
    186,216.08/279,351.91 = 86,386.36/x
  3. Step 3: Cross multiply
    186,216.08x = 279,351.91 × 86,386.36
  4. Step 4: Simplify right side
    186,216.08x = 24,132,194,686.47
  5. Step 5: Solve for x
    x = 24,132,194,686.47/186,216.08
  6. Step 6: Final answer
    x = 129,592.43

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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.