Home / 168,457.23-232,387.08-100,426.26

Finding the Fourth Proportional to 168,457.23, 232,387.08 and 100,426.26

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Solution

The fourth proportional to 168,457.23, 232,387.08 and 100,426.26 is: 138,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,457.23 : 232,387.08 = 100,426.26 : x
  2. Step 2: Convert to fraction form
    168,457.23/232,387.08 = 100,426.26/x
  3. Step 3: Cross multiply
    168,457.23x = 232,387.08 × 100,426.26
  4. Step 4: Simplify right side
    168,457.23x = 23,337,765,811.57
  5. Step 5: Solve for x
    x = 23,337,765,811.57/168,457.23
  6. Step 6: Final answer
    x = 138,538.23

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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.