Home / 186,330.60-279,495.90-177,145.20

Finding the Fourth Proportional to 186,330.60, 279,495.90 and 177,145.20

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Solution

The fourth proportional to 186,330.60, 279,495.90 and 177,145.20 is: 265,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,330.60 : 279,495.90 = 177,145.20 : x
  2. Step 2: Convert to fraction form
    186,330.60/279,495.90 = 177,145.20/x
  3. Step 3: Cross multiply
    186,330.60x = 279,495.90 × 177,145.20
  4. Step 4: Simplify right side
    186,330.60x = 49,511,357,104.68
  5. Step 5: Solve for x
    x = 49,511,357,104.68/186,330.60
  6. Step 6: Final answer
    x = 265,717.80

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1.5x scale

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.