Home / 186,742.26-280,070.73-53,621.46

Finding the Fourth Proportional to 186,742.26, 280,070.73 and 53,621.46

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Solution

The fourth proportional to 186,742.26, 280,070.73 and 53,621.46 is: 80,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,742.26 : 280,070.73 = 53,621.46 : x
  2. Step 2: Convert to fraction form
    186,742.26/280,070.73 = 53,621.46/x
  3. Step 3: Cross multiply
    186,742.26x = 280,070.73 × 53,621.46
  4. Step 4: Simplify right side
    186,742.26x = 15,017,801,445.87
  5. Step 5: Solve for x
    x = 15,017,801,445.87/186,742.26
  6. Step 6: Final answer
    x = 80,419.94

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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.