Home / 149,587.36-206,422.80-92,997.76

Finding the Fourth Proportional to 149,587.36, 206,422.80 and 92,997.76

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Solution

The fourth proportional to 149,587.36, 206,422.80 and 92,997.76 is: 128,332.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,587.36 : 206,422.80 = 92,997.76 : x
  2. Step 2: Convert to fraction form
    149,587.36/206,422.80 = 92,997.76/x
  3. Step 3: Cross multiply
    149,587.36x = 206,422.80 × 92,997.76
  4. Step 4: Simplify right side
    149,587.36x = 19,196,858,012.93
  5. Step 5: Solve for x
    x = 19,196,858,012.93/149,587.36
  6. Step 6: Final answer
    x = 128,332.09

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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.