Home / 137,808.51-190,336.24-110,308.91

Finding the Fourth Proportional to 137,808.51, 190,336.24 and 110,308.91

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Solution

The fourth proportional to 137,808.51, 190,336.24 and 110,308.91 is: 152,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,808.51 : 190,336.24 = 110,308.91 : x
  2. Step 2: Convert to fraction form
    137,808.51/190,336.24 = 110,308.91/x
  3. Step 3: Cross multiply
    137,808.51x = 190,336.24 × 110,308.91
  4. Step 4: Simplify right side
    137,808.51x = 20,995,783,067.86
  5. Step 5: Solve for x
    x = 20,995,783,067.86/137,808.51
  6. Step 6: Final answer
    x = 152,354.76

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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.