Home / 186,185.88-279,275.04-45,945.72

Finding the Fourth Proportional to 186,185.88, 279,275.04 and 45,945.72

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Solution

The fourth proportional to 186,185.88, 279,275.04 and 45,945.72 is: 68,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,185.88 : 279,275.04 = 45,945.72 : x
  2. Step 2: Convert to fraction form
    186,185.88/279,275.04 = 45,945.72/x
  3. Step 3: Cross multiply
    186,185.88x = 279,275.04 × 45,945.72
  4. Step 4: Simplify right side
    186,185.88x = 12,831,492,790.83
  5. Step 5: Solve for x
    x = 12,831,492,790.83/186,185.88
  6. Step 6: Final answer
    x = 68,917.65

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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.