Home / 186,223.47-279,336.62-53,103.61

Finding the Fourth Proportional to 186,223.47, 279,336.62 and 53,103.61

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Solution

The fourth proportional to 186,223.47, 279,336.62 and 53,103.61 is: 79,655.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,223.47 : 279,336.62 = 53,103.61 : x
  2. Step 2: Convert to fraction form
    186,223.47/279,336.62 = 53,103.61/x
  3. Step 3: Cross multiply
    186,223.47x = 279,336.62 × 53,103.61
  4. Step 4: Simplify right side
    186,223.47x = 14,833,782,927.20
  5. Step 5: Solve for x
    x = 14,833,782,927.20/186,223.47
  6. Step 6: Final answer
    x = 79,655.82

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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.