Home / 144,512.30-216,768.45-118,246.70

Finding the Fourth Proportional to 144,512.30, 216,768.45 and 118,246.70

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Solution

The fourth proportional to 144,512.30, 216,768.45 and 118,246.70 is: 177,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,512.30 : 216,768.45 = 118,246.70 : x
  2. Step 2: Convert to fraction form
    144,512.30/216,768.45 = 118,246.70/x
  3. Step 3: Cross multiply
    144,512.30x = 216,768.45 × 118,246.70
  4. Step 4: Simplify right side
    144,512.30x = 25,632,153,876.62
  5. Step 5: Solve for x
    x = 25,632,153,876.62/144,512.30
  6. Step 6: Final answer
    x = 177,370.05

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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.