Home / 147,096.47-220,644.71-102,809.72

Finding the Fourth Proportional to 147,096.47, 220,644.71 and 102,809.72

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Solution

The fourth proportional to 147,096.47, 220,644.71 and 102,809.72 is: 154,214.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,096.47 : 220,644.71 = 102,809.72 : x
  2. Step 2: Convert to fraction form
    147,096.47/220,644.71 = 102,809.72/x
  3. Step 3: Cross multiply
    147,096.47x = 220,644.71 × 102,809.72
  4. Step 4: Simplify right side
    147,096.47x = 22,684,420,892.14
  5. Step 5: Solve for x
    x = 22,684,420,892.14/147,096.47
  6. Step 6: Final answer
    x = 154,214.58

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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.