Home / 153,947.70-230,921.55-146,730.60

Finding the Fourth Proportional to 153,947.70, 230,921.55 and 146,730.60

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Solution

The fourth proportional to 153,947.70, 230,921.55 and 146,730.60 is: 220,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,947.70 : 230,921.55 = 146,730.60 : x
  2. Step 2: Convert to fraction form
    153,947.70/230,921.55 = 146,730.60/x
  3. Step 3: Cross multiply
    153,947.70x = 230,921.55 × 146,730.60
  4. Step 4: Simplify right side
    153,947.70x = 33,883,257,584.43
  5. Step 5: Solve for x
    x = 33,883,257,584.43/153,947.70
  6. Step 6: Final answer
    x = 220,095.90

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1.5x scale

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.