Home / 147,072.20-202,953.78-80,004.20

Finding the Fourth Proportional to 147,072.20, 202,953.78 and 80,004.20

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Solution

The fourth proportional to 147,072.20, 202,953.78 and 80,004.20 is: 110,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,072.20 : 202,953.78 = 80,004.20 : x
  2. Step 2: Convert to fraction form
    147,072.20/202,953.78 = 80,004.20/x
  3. Step 3: Cross multiply
    147,072.20x = 202,953.78 × 80,004.20
  4. Step 4: Simplify right side
    147,072.20x = 16,237,154,805.88
  5. Step 5: Solve for x
    x = 16,237,154,805.88/147,072.20
  6. Step 6: Final answer
    x = 110,402.61

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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.