Home / 168,531.40-252,798.09-56,211.31

Finding the Fourth Proportional to 168,531.40, 252,798.09 and 56,211.31

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Solution

The fourth proportional to 168,531.40, 252,798.09 and 56,211.31 is: 84,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,531.40 : 252,798.09 = 56,211.31 : x
  2. Step 2: Convert to fraction form
    168,531.40/252,798.09 = 56,211.31/x
  3. Step 3: Cross multiply
    168,531.40x = 252,798.09 × 56,211.31
  4. Step 4: Simplify right side
    168,531.40x = 14,210,111,804.40
  5. Step 5: Solve for x
    x = 14,210,111,804.40/168,531.40
  6. Step 6: Final answer
    x = 84,317.30

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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.