Home / 326,865.18-489,844.17-148,937.34

Finding the Fourth Proportional to 326,865.18, 489,844.17 and 148,937.34

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Solution

The fourth proportional to 326,865.18, 489,844.17 and 148,937.34 is: 223,199.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,865.18 : 489,844.17 = 148,937.34 : x
  2. Step 2: Convert to fraction form
    326,865.18/489,844.17 = 148,937.34/x
  3. Step 3: Cross multiply
    326,865.18x = 489,844.17 × 148,937.34
  4. Step 4: Simplify right side
    326,865.18x = 72,956,087,694.31
  5. Step 5: Solve for x
    x = 72,956,087,694.31/326,865.18
  6. Step 6: Final answer
    x = 223,199.33

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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.