Home / 151,090.20-226,809.90-81,106.20

Finding the Fourth Proportional to 151,090.20, 226,809.90 and 81,106.20

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Solution

The fourth proportional to 151,090.20, 226,809.90 and 81,106.20 is: 121,753.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,090.20 : 226,809.90 = 81,106.20 : x
  2. Step 2: Convert to fraction form
    151,090.20/226,809.90 = 81,106.20/x
  3. Step 3: Cross multiply
    151,090.20x = 226,809.90 × 81,106.20
  4. Step 4: Simplify right side
    151,090.20x = 18,395,689,111.38
  5. Step 5: Solve for x
    x = 18,395,689,111.38/151,090.20
  6. Step 6: Final answer
    x = 121,753.03

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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.