Home / 113,415.58-170,131.20-38,505.16

Finding the Fourth Proportional to 113,415.58, 170,131.20 and 38,505.16

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Solution

The fourth proportional to 113,415.58, 170,131.20 and 38,505.16 is: 57,760.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,415.58 : 170,131.20 = 38,505.16 : x
  2. Step 2: Convert to fraction form
    113,415.58/170,131.20 = 38,505.16/x
  3. Step 3: Cross multiply
    113,415.58x = 170,131.20 × 38,505.16
  4. Step 4: Simplify right side
    113,415.58x = 6,550,929,076.99
  5. Step 5: Solve for x
    x = 6,550,929,076.99/113,415.58
  6. Step 6: Final answer
    x = 57,760.40

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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.