Home / 382,018.16-527,175.60-212,252.70

Finding the Fourth Proportional to 382,018.16, 527,175.60 and 212,252.70

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Solution

The fourth proportional to 382,018.16, 527,175.60 and 212,252.70 is: 292,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,018.16 : 527,175.60 = 212,252.70 : x
  2. Step 2: Convert to fraction form
    382,018.16/527,175.60 = 212,252.70/x
  3. Step 3: Cross multiply
    382,018.16x = 527,175.60 × 212,252.70
  4. Step 4: Simplify right side
    382,018.16x = 111,894,444,474.12
  5. Step 5: Solve for x
    x = 111,894,444,474.12/382,018.16
  6. Step 6: Final answer
    x = 292,903.47

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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.