Home / 161,621.22-242,542.44-56,440.20

Finding the Fourth Proportional to 161,621.22, 242,542.44 and 56,440.20

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Solution

The fourth proportional to 161,621.22, 242,542.44 and 56,440.20 is: 84,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,621.22 : 242,542.44 = 56,440.20 : x
  2. Step 2: Convert to fraction form
    161,621.22/242,542.44 = 56,440.20/x
  3. Step 3: Cross multiply
    161,621.22x = 242,542.44 × 56,440.20
  4. Step 4: Simplify right side
    161,621.22x = 13,689,143,822.09
  5. Step 5: Solve for x
    x = 13,689,143,822.09/161,621.22
  6. Step 6: Final answer
    x = 84,698.93

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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.