Home / 186,630.72-279,946.30-46,389.34

Finding the Fourth Proportional to 186,630.72, 279,946.30 and 46,389.34

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Solution

The fourth proportional to 186,630.72, 279,946.30 and 46,389.34 is: 69,584.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,630.72 : 279,946.30 = 46,389.34 : x
  2. Step 2: Convert to fraction form
    186,630.72/279,946.30 = 46,389.34/x
  3. Step 3: Cross multiply
    186,630.72x = 279,946.30 × 46,389.34
  4. Step 4: Simplify right side
    186,630.72x = 12,986,523,976.47
  5. Step 5: Solve for x
    x = 12,986,523,976.47/186,630.72
  6. Step 6: Final answer
    x = 69,584.07

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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.