Home / 168,055.43-231,597.50-120,225.74

Finding the Fourth Proportional to 168,055.43, 231,597.50 and 120,225.74

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Solution

The fourth proportional to 168,055.43, 231,597.50 and 120,225.74 is: 165,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,055.43 : 231,597.50 = 120,225.74 : x
  2. Step 2: Convert to fraction form
    168,055.43/231,597.50 = 120,225.74/x
  3. Step 3: Cross multiply
    168,055.43x = 231,597.50 × 120,225.74
  4. Step 4: Simplify right side
    168,055.43x = 27,843,979,060.53
  5. Step 5: Solve for x
    x = 27,843,979,060.53/168,055.43
  6. Step 6: Final answer
    x = 165,683.31

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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.