Home / 384,151.30-530,158.17-212,102.44

Finding the Fourth Proportional to 384,151.30, 530,158.17 and 212,102.44

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Solution

The fourth proportional to 384,151.30, 530,158.17 and 212,102.44 is: 292,717.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,151.30 : 530,158.17 = 212,102.44 : x
  2. Step 2: Convert to fraction form
    384,151.30/530,158.17 = 212,102.44/x
  3. Step 3: Cross multiply
    384,151.30x = 530,158.17 × 212,102.44
  4. Step 4: Simplify right side
    384,151.30x = 112,447,841,442.94
  5. Step 5: Solve for x
    x = 112,447,841,442.94/384,151.30
  6. Step 6: Final answer
    x = 292,717.59

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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.