Home / 382,269.21-527,545.05-210,200.28

Finding the Fourth Proportional to 382,269.21, 527,545.05 and 210,200.28

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Solution

The fourth proportional to 382,269.21, 527,545.05 and 210,200.28 is: 290,083.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,269.21 : 527,545.05 = 210,200.28 : x
  2. Step 2: Convert to fraction form
    382,269.21/527,545.05 = 210,200.28/x
  3. Step 3: Cross multiply
    382,269.21x = 527,545.05 × 210,200.28
  4. Step 4: Simplify right side
    382,269.21x = 110,890,117,222.61
  5. Step 5: Solve for x
    x = 110,890,117,222.61/382,269.21
  6. Step 6: Final answer
    x = 290,083.83

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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.