Home / 146,740.40-220,110.60-87,545.60

Finding the Fourth Proportional to 146,740.40, 220,110.60 and 87,545.60

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Solution

The fourth proportional to 146,740.40, 220,110.60 and 87,545.60 is: 131,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,740.40 : 220,110.60 = 87,545.60 : x
  2. Step 2: Convert to fraction form
    146,740.40/220,110.60 = 87,545.60/x
  3. Step 3: Cross multiply
    146,740.40x = 220,110.60 × 87,545.60
  4. Step 4: Simplify right side
    146,740.40x = 19,269,714,543.36
  5. Step 5: Solve for x
    x = 19,269,714,543.36/146,740.40
  6. Step 6: Final answer
    x = 131,318.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.