Home / 382,219.45-527,463.19-210,140.35

Finding the Fourth Proportional to 382,219.45, 527,463.19 and 210,140.35

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Solution

The fourth proportional to 382,219.45, 527,463.19 and 210,140.35 is: 289,993.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,219.45 : 527,463.19 = 210,140.35 : x
  2. Step 2: Convert to fraction form
    382,219.45/527,463.19 = 210,140.35/x
  3. Step 3: Cross multiply
    382,219.45x = 527,463.19 × 210,140.35
  4. Step 4: Simplify right side
    382,219.45x = 110,841,296,989.36
  5. Step 5: Solve for x
    x = 110,841,296,989.36/382,219.45
  6. Step 6: Final answer
    x = 289,993.87

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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.