Home / 186,510.08-279,514.92-102,143.36

Finding the Fourth Proportional to 186,510.08, 279,514.92 and 102,143.36

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Solution

The fourth proportional to 186,510.08, 279,514.92 and 102,143.36 is: 153,078.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,510.08 : 279,514.92 = 102,143.36 : x
  2. Step 2: Convert to fraction form
    186,510.08/279,514.92 = 102,143.36/x
  3. Step 3: Cross multiply
    186,510.08x = 279,514.92 × 102,143.36
  4. Step 4: Simplify right side
    186,510.08x = 28,550,593,098.93
  5. Step 5: Solve for x
    x = 28,550,593,098.93/186,510.08
  6. Step 6: Final answer
    x = 153,078.02

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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.