Home / 186,829.85-280,236.93-86,955.69

Finding the Fourth Proportional to 186,829.85, 280,236.93 and 86,955.69

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Solution

The fourth proportional to 186,829.85, 280,236.93 and 86,955.69 is: 130,429.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,829.85 : 280,236.93 = 86,955.69 : x
  2. Step 2: Convert to fraction form
    186,829.85/280,236.93 = 86,955.69/x
  3. Step 3: Cross multiply
    186,829.85x = 280,236.93 × 86,955.69
  4. Step 4: Simplify right side
    186,829.85x = 24,368,193,775.67
  5. Step 5: Solve for x
    x = 24,368,193,775.67/186,829.85
  6. Step 6: Final answer
    x = 130,429.88

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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.