Home / 149,545.50-206,374.62-85,889.22

Finding the Fourth Proportional to 149,545.50, 206,374.62 and 85,889.22

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Solution

The fourth proportional to 149,545.50, 206,374.62 and 85,889.22 is: 118,528.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,545.50 : 206,374.62 = 85,889.22 : x
  2. Step 2: Convert to fraction form
    149,545.50/206,374.62 = 85,889.22/x
  3. Step 3: Cross multiply
    149,545.50x = 206,374.62 × 85,889.22
  4. Step 4: Simplify right side
    149,545.50x = 17,725,355,139.60
  5. Step 5: Solve for x
    x = 17,725,355,139.60/149,545.50
  6. Step 6: Final answer
    x = 118,528.17

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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.