Home / 382,266.18-527,559.21-212,516.10

Finding the Fourth Proportional to 382,266.18, 527,559.21 and 212,516.10

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Solution

The fourth proportional to 382,266.18, 527,559.21 and 212,516.10 is: 293,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,266.18 : 527,559.21 = 212,516.10 : x
  2. Step 2: Convert to fraction form
    382,266.18/527,559.21 = 212,516.10/x
  3. Step 3: Cross multiply
    382,266.18x = 527,559.21 × 212,516.10
  4. Step 4: Simplify right side
    382,266.18x = 112,114,825,828.28
  5. Step 5: Solve for x
    x = 112,114,825,828.28/382,266.18
  6. Step 6: Final answer
    x = 293,289.94

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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.