Home / 168,947.10-253,476.99-56,638.50

Finding the Fourth Proportional to 168,947.10, 253,476.99 and 56,638.50

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Solution

The fourth proportional to 168,947.10, 253,476.99 and 56,638.50 is: 84,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,947.10 : 253,476.99 = 56,638.50 : x
  2. Step 2: Convert to fraction form
    168,947.10/253,476.99 = 56,638.50/x
  3. Step 3: Cross multiply
    168,947.10x = 253,476.99 × 56,638.50
  4. Step 4: Simplify right side
    168,947.10x = 14,356,556,498.12
  5. Step 5: Solve for x
    x = 14,356,556,498.12/168,947.10
  6. Step 6: Final answer
    x = 84,976.64

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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.