Home / 186,228.38-279,345.13-53,108.65

Finding the Fourth Proportional to 186,228.38, 279,345.13 and 53,108.65

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Solution

The fourth proportional to 186,228.38, 279,345.13 and 53,108.65 is: 79,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,228.38 : 279,345.13 = 53,108.65 : x
  2. Step 2: Convert to fraction form
    186,228.38/279,345.13 = 53,108.65/x
  3. Step 3: Cross multiply
    186,228.38x = 279,345.13 × 53,108.65
  4. Step 4: Simplify right side
    186,228.38x = 14,835,641,076.11
  5. Step 5: Solve for x
    x = 14,835,641,076.11/186,228.38
  6. Step 6: Final answer
    x = 79,663.70

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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.