Home / 185,109.56-255,321.28-113,518.12

Finding the Fourth Proportional to 185,109.56, 255,321.28 and 113,518.12

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Solution

The fourth proportional to 185,109.56, 255,321.28 and 113,518.12 is: 156,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,109.56 : 255,321.28 = 113,518.12 : x
  2. Step 2: Convert to fraction form
    185,109.56/255,321.28 = 113,518.12/x
  3. Step 3: Cross multiply
    185,109.56x = 255,321.28 × 113,518.12
  4. Step 4: Simplify right side
    185,109.56x = 28,983,591,701.59
  5. Step 5: Solve for x
    x = 28,983,591,701.59/185,109.56
  6. Step 6: Final answer
    x = 156,575.34

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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.