Home / 178,228.56-245,952.20-105,680.28

Finding the Fourth Proportional to 178,228.56, 245,952.20 and 105,680.28

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Solution

The fourth proportional to 178,228.56, 245,952.20 and 105,680.28 is: 145,836.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,228.56 : 245,952.20 = 105,680.28 : x
  2. Step 2: Convert to fraction form
    178,228.56/245,952.20 = 105,680.28/x
  3. Step 3: Cross multiply
    178,228.56x = 245,952.20 × 105,680.28
  4. Step 4: Simplify right side
    178,228.56x = 25,992,297,362.62
  5. Step 5: Solve for x
    x = 25,992,297,362.62/178,228.56
  6. Step 6: Final answer
    x = 145,836.88

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1.5x scale

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.