Home / 113,835.40-170,753.10-54,786.40

Finding the Fourth Proportional to 113,835.40, 170,753.10 and 54,786.40

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Solution

The fourth proportional to 113,835.40, 170,753.10 and 54,786.40 is: 82,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,835.40 : 170,753.10 = 54,786.40 : x
  2. Step 2: Convert to fraction form
    113,835.40/170,753.10 = 54,786.40/x
  3. Step 3: Cross multiply
    113,835.40x = 170,753.10 × 54,786.40
  4. Step 4: Simplify right side
    113,835.40x = 9,354,947,637.84
  5. Step 5: Solve for x
    x = 9,354,947,637.84/113,835.40
  6. Step 6: Final answer
    x = 82,179.60

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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.