Home / 147,092.96-202,996.12-83,451.20

Finding the Fourth Proportional to 147,092.96, 202,996.12 and 83,451.20

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Solution

The fourth proportional to 147,092.96, 202,996.12 and 83,451.20 is: 115,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,092.96 : 202,996.12 = 83,451.20 : x
  2. Step 2: Convert to fraction form
    147,092.96/202,996.12 = 83,451.20/x
  3. Step 3: Cross multiply
    147,092.96x = 202,996.12 × 83,451.20
  4. Step 4: Simplify right side
    147,092.96x = 16,940,269,809.34
  5. Step 5: Solve for x
    x = 16,940,269,809.34/147,092.96
  6. Step 6: Final answer
    x = 115,167.10

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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.