Home / 149,538.15-206,431.75-92,187.72

Finding the Fourth Proportional to 149,538.15, 206,431.75 and 92,187.72

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Solution

The fourth proportional to 149,538.15, 206,431.75 and 92,187.72 is: 127,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,538.15 : 206,431.75 = 92,187.72 : x
  2. Step 2: Convert to fraction form
    149,538.15/206,431.75 = 92,187.72/x
  3. Step 3: Cross multiply
    149,538.15x = 206,431.75 × 92,187.72
  4. Step 4: Simplify right side
    149,538.15x = 19,030,472,483.34
  5. Step 5: Solve for x
    x = 19,030,472,483.34/149,538.15
  6. Step 6: Final answer
    x = 127,261.66

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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.