Home / 190,155.20-262,458.24-126,495.68

Finding the Fourth Proportional to 190,155.20, 262,458.24 and 126,495.68

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Solution

The fourth proportional to 190,155.20, 262,458.24 and 126,495.68 is: 174,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,155.20 : 262,458.24 = 126,495.68 : x
  2. Step 2: Convert to fraction form
    190,155.20/262,458.24 = 126,495.68/x
  3. Step 3: Cross multiply
    190,155.20x = 262,458.24 × 126,495.68
  4. Step 4: Simplify right side
    190,155.20x = 33,199,833,540.40
  5. Step 5: Solve for x
    x = 33,199,833,540.40/190,155.20
  6. Step 6: Final answer
    x = 174,593.35

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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.