Home / 161,976.56-242,967-56,798.60

Finding the Fourth Proportional to 161,976.56, 242,967 and 56,798.60

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Solution

The fourth proportional to 161,976.56, 242,967 and 56,798.60 is: 85,198.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,976.56 : 242,967 = 56,798.60 : x
  2. Step 2: Convert to fraction form
    161,976.56/242,967 = 56,798.60/x
  3. Step 3: Cross multiply
    161,976.56x = 242,967 × 56,798.60
  4. Step 4: Simplify right side
    161,976.56x = 13,800,185,446.20
  5. Step 5: Solve for x
    x = 13,800,185,446.20/161,976.56
  6. Step 6: Final answer
    x = 85,198.66

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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.