Home / 186,509.24-279,763.88-53,389.98

Finding the Fourth Proportional to 186,509.24, 279,763.88 and 53,389.98

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Solution

The fourth proportional to 186,509.24, 279,763.88 and 53,389.98 is: 80,084.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,509.24 : 279,763.88 = 53,389.98 : x
  2. Step 2: Convert to fraction form
    186,509.24/279,763.88 = 53,389.98/x
  3. Step 3: Cross multiply
    186,509.24x = 279,763.88 × 53,389.98
  4. Step 4: Simplify right side
    186,509.24x = 14,936,587,957.92
  5. Step 5: Solve for x
    x = 14,936,587,957.92/186,509.24
  6. Step 6: Final answer
    x = 80,084.98

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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.