Home / 149,245.71-205,973.61-111,454.35

Finding the Fourth Proportional to 149,245.71, 205,973.61 and 111,454.35

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Solution

The fourth proportional to 149,245.71, 205,973.61 and 111,454.35 is: 153,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,245.71 : 205,973.61 = 111,454.35 : x
  2. Step 2: Convert to fraction form
    149,245.71/205,973.61 = 111,454.35/x
  3. Step 3: Cross multiply
    149,245.71x = 205,973.61 × 111,454.35
  4. Step 4: Simplify right side
    149,245.71x = 22,956,654,819.70
  5. Step 5: Solve for x
    x = 22,956,654,819.70/149,245.71
  6. Step 6: Final answer
    x = 153,817.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.