Home / 186,510.24-279,765.38-53,390.98

Finding the Fourth Proportional to 186,510.24, 279,765.38 and 53,390.98

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Solution

The fourth proportional to 186,510.24, 279,765.38 and 53,390.98 is: 80,086.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,510.24 : 279,765.38 = 53,390.98 : x
  2. Step 2: Convert to fraction form
    186,510.24/279,765.38 = 53,390.98/x
  3. Step 3: Cross multiply
    186,510.24x = 279,765.38 × 53,390.98
  4. Step 4: Simplify right side
    186,510.24x = 14,936,947,808.27
  5. Step 5: Solve for x
    x = 14,936,947,808.27/186,510.24
  6. Step 6: Final answer
    x = 80,086.48

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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.