Home / 186,621.60-279,932.40-176,512.80

Finding the Fourth Proportional to 186,621.60, 279,932.40 and 176,512.80

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Solution

The fourth proportional to 186,621.60, 279,932.40 and 176,512.80 is: 264,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,621.60 : 279,932.40 = 176,512.80 : x
  2. Step 2: Convert to fraction form
    186,621.60/279,932.40 = 176,512.80/x
  3. Step 3: Cross multiply
    186,621.60x = 279,932.40 × 176,512.80
  4. Step 4: Simplify right side
    186,621.60x = 49,411,651,734.72
  5. Step 5: Solve for x
    x = 49,411,651,734.72/186,621.60
  6. Step 6: Final answer
    x = 264,769.20

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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.