Home / 186,624.60-280,628.10-156,211.80

Finding the Fourth Proportional to 186,624.60, 280,628.10 and 156,211.80

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Solution

The fourth proportional to 186,624.60, 280,628.10 and 156,211.80 is: 234,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624.60 : 280,628.10 = 156,211.80 : x
  2. Step 2: Convert to fraction form
    186,624.60/280,628.10 = 156,211.80/x
  3. Step 3: Cross multiply
    186,624.60x = 280,628.10 × 156,211.80
  4. Step 4: Simplify right side
    186,624.60x = 43,837,420,631.58
  5. Step 5: Solve for x
    x = 43,837,420,631.58/186,624.60
  6. Step 6: Final answer
    x = 234,896.26

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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.