Home / 170,976.20-256,901.70-151,730.60

Finding the Fourth Proportional to 170,976.20, 256,901.70 and 151,730.60

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Solution

The fourth proportional to 170,976.20, 256,901.70 and 151,730.60 is: 227,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,976.20 : 256,901.70 = 151,730.60 : x
  2. Step 2: Convert to fraction form
    170,976.20/256,901.70 = 151,730.60/x
  3. Step 3: Cross multiply
    170,976.20x = 256,901.70 × 151,730.60
  4. Step 4: Simplify right side
    170,976.20x = 38,979,849,082.02
  5. Step 5: Solve for x
    x = 38,979,849,082.02/170,976.20
  6. Step 6: Final answer
    x = 227,984.06

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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.