Home / 113,892.20-170,435.10-99,261.80

Finding the Fourth Proportional to 113,892.20, 170,435.10 and 99,261.80

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Solution

The fourth proportional to 113,892.20, 170,435.10 and 99,261.80 is: 148,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,892.20 : 170,435.10 = 99,261.80 : x
  2. Step 2: Convert to fraction form
    113,892.20/170,435.10 = 99,261.80/x
  3. Step 3: Cross multiply
    113,892.20x = 170,435.10 × 99,261.80
  4. Step 4: Simplify right side
    113,892.20x = 16,917,694,809.18
  5. Step 5: Solve for x
    x = 16,917,694,809.18/113,892.20
  6. Step 6: Final answer
    x = 148,541.29

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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.