Home / 168,315.87-232,305.96-100,337.23

Finding the Fourth Proportional to 168,315.87, 232,305.96 and 100,337.23

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Solution

The fourth proportional to 168,315.87, 232,305.96 and 100,337.23 is: 138,483.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,315.87 : 232,305.96 = 100,337.23 : x
  2. Step 2: Convert to fraction form
    168,315.87/232,305.96 = 100,337.23/x
  3. Step 3: Cross multiply
    168,315.87x = 232,305.96 × 100,337.23
  4. Step 4: Simplify right side
    168,315.87x = 23,308,936,641.14
  5. Step 5: Solve for x
    x = 23,308,936,641.14/168,315.87
  6. Step 6: Final answer
    x = 138,483.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.