Home / 149,545.56-206,376.24-85,004.58

Finding the Fourth Proportional to 149,545.56, 206,376.24 and 85,004.58

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Solution

The fourth proportional to 149,545.56, 206,376.24 and 85,004.58 is: 117,308.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,545.56 : 206,376.24 = 85,004.58 : x
  2. Step 2: Convert to fraction form
    149,545.56/206,376.24 = 85,004.58/x
  3. Step 3: Cross multiply
    149,545.56x = 206,376.24 × 85,004.58
  4. Step 4: Simplify right side
    149,545.56x = 17,542,925,603.18
  5. Step 5: Solve for x
    x = 17,542,925,603.18/149,545.56
  6. Step 6: Final answer
    x = 117,308.23

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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.