Home / 146,587.05-219,912.84-83,436.89

Finding the Fourth Proportional to 146,587.05, 219,912.84 and 83,436.89

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Solution

The fourth proportional to 146,587.05, 219,912.84 and 83,436.89 is: 125,173.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,587.05 : 219,912.84 = 83,436.89 : x
  2. Step 2: Convert to fraction form
    146,587.05/219,912.84 = 83,436.89/x
  3. Step 3: Cross multiply
    146,587.05x = 219,912.84 × 83,436.89
  4. Step 4: Simplify right side
    146,587.05x = 18,348,842,341.10
  5. Step 5: Solve for x
    x = 18,348,842,341.10/146,587.05
  6. Step 6: Final answer
    x = 125,173.69

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1.5x scale

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.