Home / 147,562.28-203,636.58-80,495.72

Finding the Fourth Proportional to 147,562.28, 203,636.58 and 80,495.72

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Solution

The fourth proportional to 147,562.28, 203,636.58 and 80,495.72 is: 111,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,562.28 : 203,636.58 = 80,495.72 : x
  2. Step 2: Convert to fraction form
    147,562.28/203,636.58 = 80,495.72/x
  3. Step 3: Cross multiply
    147,562.28x = 203,636.58 × 80,495.72
  4. Step 4: Simplify right side
    147,562.28x = 16,391,873,125.44
  5. Step 5: Solve for x
    x = 16,391,873,125.44/147,562.28
  6. Step 6: Final answer
    x = 111,084.44

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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.