Home / 168,487.12-252,713.32-56,155.20

Finding the Fourth Proportional to 168,487.12, 252,713.32 and 56,155.20

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Solution

The fourth proportional to 168,487.12, 252,713.32 and 56,155.20 is: 84,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,487.12 : 252,713.32 = 56,155.20 : x
  2. Step 2: Convert to fraction form
    168,487.12/252,713.32 = 56,155.20/x
  3. Step 3: Cross multiply
    168,487.12x = 252,713.32 × 56,155.20
  4. Step 4: Simplify right side
    168,487.12x = 14,191,167,027.26
  5. Step 5: Solve for x
    x = 14,191,167,027.26/168,487.12
  6. Step 6: Final answer
    x = 84,227.01

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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.