Home / 144,976.20-217,901.70-125,730.60

Finding the Fourth Proportional to 144,976.20, 217,901.70 and 125,730.60

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Solution

The fourth proportional to 144,976.20, 217,901.70 and 125,730.60 is: 188,975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,976.20 : 217,901.70 = 125,730.60 : x
  2. Step 2: Convert to fraction form
    144,976.20/217,901.70 = 125,730.60/x
  3. Step 3: Cross multiply
    144,976.20x = 217,901.70 × 125,730.60
  4. Step 4: Simplify right side
    144,976.20x = 27,396,911,482.02
  5. Step 5: Solve for x
    x = 27,396,911,482.02/144,976.20
  6. Step 6: Final answer
    x = 188,975.24

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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.